Stochasticity Project Grapefruit Slam IPA | Stone Brewing

292 Reviews
Stochasticity Project Grapefruit Slam IPAStochasticity Project Grapefruit Slam IPA

Brewed by:
Stone Brewing
California, United States

Style: American Double / Imperial IPA

Alcohol by volume (ABV): 8.20%

Availability: Limited (brewed once)

Notes / Commercial Description:
First Release: February 2014
India pale ales harness the inherent flavor characteristics of hops to bring forward familiar flavors of pine, resin, spice, and citrus. In some cases, those botanicals are so potent, they exactly mirror specific edibles. Such is the case with Centennial hops, which hail from the Great Northwest and come across on the palate like a mouthful of citrus fruit. That sensation is amplified with this, the first beer introduced via the Stochasticity Project–a double IPA brewed with Centennial, Chinook and Magnum hops as well as an immense dosing of fresh grapefruit peel. The result is over-the-top bittersweet grapefruit intensity that is at once refreshing and bracing in its citrusy bitterness.

Added by Sweffin on 08-23-2013

This beer is retired; no longer brewed.

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Reviews: 292 | Ratings: 1,962
Photo of threeviews
4.96/5  rDev +23.7%
look: 4.75 | smell: 5 | taste: 5 | feel: 4.75 | overall: 5

Poured from a 22oz bottle (Bottled On: 2/06/14) into a 12oz, Saxo branded, large mouthed, stemmed tulip. Although the artwork might seem random, it is quite amazing. Step back a few feet and you will see the gargoyle art in the chaotic lines of the 62,560 pixels used.

A- A conservative pour reveals a gorgeous, crystal clear, deep orange/copper hued beer with 1-finger's worth of a white, frothy head. Despite the non-nucleated glassware, a few conservative streams of carbonation emanate from the bowels of the glass. (4.75)

S- The grapefruit adjunct was immediately detectable...but hit my nose as being closer to a white grapefruit 'flesh' as opposed to the advertised 'rind' component from the fruit. After the initial sip and allowing the senses a moment to adjust, the intense grapefruit aromas fade rather quickly in favor of those familiar resinous, black tea-like aromas that is nothing but classic Ruination. Hints of other citrus and tropical notes (lemon/lime, peach, honeydew melon) from the Centennial dry hopping reveal themselves, but never dominate...the grapefruit is the steals the show with this offering. (5.0)

T- Grapefruit, grapefruit and more...yep, grapefruit. The palate is consumed with that very citrus fruit across the entire palate and its bitterness lingers well after the sip. As it warms, some of the other flavors as detected on the nose come to the party, but never dominate. However, I feel that the grapefruit 'peel' addition mellows the intense piney qualities found in standard Ruination. Despite 8.2% ABV, the malt stays well at bay, masking the alcohol completely. (5.0)

M- Stone's beers are never overcarbonated and always tend to weigh in on the more conservative side (IMO, 2.50 - 2.55 vols for all you brewers) and is no different here. Carbonation is on the softer side of medium and just enough to get the job done. Like its cousin, Ruination, the body of this beer ranks on the lighter side of medium. Hefty enough to support the generous more and no less. (4.75)

O- A really nice variation and surprising improvement to an already proven (and recently amended), world-class offering. Although I have yet to perform a side-by-side comparison, I think I prefer this a bit more than Ruination. The addition of Grapefruit peel/flesh helps bolster the citrusy character from the Centennial dry hop as well as tone down the piney (i.e. 'dank') component from the Columbus...the result is a more balanced, yet just as pungent (aromatic and flavor) offering. However, due to the increased price for this 'special release,' I will be more than content sticking with Ruination (5.0)

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Photo of teromous
2.74/5  rDev -31.7%
look: 4.5 | smell: 3 | taste: 2.5 | feel: 2.5 | overall: 2.5

A: Burnished gold body with a very abundant head of white foam. The beer is slightly hazy and has lots of visible carbonation. Lacing is great, leaving rings on the glass.

S: It has a rather light nose. I pick up some grapefruit rind and pine.

T: I get a good deal of raw bitterness without a lot of flavor. It's like eating the rind of a citrus fruit without the fresh taste of the fruit itself. It's just bitterness without any complementary flavors.

M: The mouthfeel is nice and dry, but the palate is overwhelmed with an unpleasant astringency and nothing but bitterness to hopelessly cope with.

O: Overall the beer lacked in flavor and originality. It had plenty of bitterness without any malt or hop flavor to reinforce it. Unfortunately I can not recommend this beer.

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Photo of AlpacaAlpaca
3.86/5  rDev -3.7%
look: 3.5 | smell: 3.75 | taste: 4 | feel: 4 | overall: 3.75

A: Swirling soft orange against a decently carbonated clear golden. Quickly vanishing head and very little lacing.

S: Smells like a Stone beer (hop-forward, jungle-deep) mixed with a sweet undertone of grapefruit and clementine-citrus.

T: After reading the reviews of this beer that compliment its strong grapefruit flavor, I was a little surprised. The flavor was there, but it was way more subtle than I was expecting. At no point did I feel "slammed" by grapefruit. It was a refreshing and unique addition to Stone's usual IPA, but not prominent enough in my opinion. That said, the expectation in my head not being met didn't diminish the quality of the beer. A strong IPA overall, and the added fruit flavors made it unique. I just felt like it could have been astounding.

M: Hop as a vehicle for greater nuance. The tastes I mentioned surfaced upon lingering. Stone always gets it right in this regard. The fruit flavors masked the ABV, somewhat.

O: Very very good, but not the grapefruit IPA experience I was expecting. My expectations from Stone are pretty high, so that might have colored my review a little. I'm not sure if I would buy it again, but that's only because I like other Stone products much better.

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Photo of jsprain1
4.1/5  rDev +2.2%
look: 4.5 | smell: 3.75 | taste: 4.25 | feel: 3.75 | overall: 4.25

A- Pours a light orange with a two finger off white head. Retention is decent, leaving a good amount of lace. Perfectly clear.
S- Grapefruit is big and bold, though I am getting almost as much herbal hop aroma as grapefruit. Can tell this one will be bitter.
T- Grapefruit wins the day, though there is a lingering herbal flavor which, though not unwelcome, is unexpected. Grapefruit citric bitterness definitely is the powerhouse in the finish. The slight bit of sweetness up front is gone by midsip.
M- Medium bodied, not as dry of a finish as many IPA's.
O- I like this beer, and it's flavors, but it is a tiresome beer. Definitely worth the try, but would have been fine with a twelve ounce or a pint.

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Photo of CHickman
3.38/5  rDev -15.7%
look: 4 | smell: 3.5 | taste: 3.25 | feel: 3.5 | overall: 3.25

Pours a hazy yellow gold color with a 1 finger creamy looking off white head that faded on the average to slow side from a timing standpoint, leaving very good foamy lacing coating the sides and rings as it went down.

Smells of strong grapefruit pith up front, followed by citrus hops, lemon zest, light caramel, piney hops, citrus fruit and some mild spices. The grapefruit dominates and there is no real malt backbone present to give it balance.

Bitter up front, this tastes like grapefruit juice and has the same effect after the first sip. Tastes like a red grapefruit first, followed by citrus hops, lemon, tangerine, herbs, floral hops, light caramel, piney hops, mild spices like pepper and coriander, biscuit and tea leaf. If the goal was to make an IPA so bitter that it drowned out the ABV and malt content then this is a success, otherwise this experiment is too bitter and just didn’t do it for me. It tastes incredibly close to grapefruit juice thanks to the grapefruit peel added, but the lack of balance makes it not smooth and to me negated most of the normally tasty Centennial hop flavor.

Mouthfeel is thick and almost chewy, with light zesty carbonation, a sweet malty cracker taste that then gets washed away with grapefruit bitterness that leads to a puckering finish and almost clean aftertaste that has more grapefruit assaulting your palate.

Over the top, unbalanced and not the DIPA I hoped it would be, this missed the mark for me. I appreciate the experiment and effort on Stone’s part, but I would not have this beer again; it was just too bitter for me and I had to make an effort to finish the bomber. It does mask the ABV completely, but the bitterness trade off isn’t worth it in my opinion.

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Photo of mountdew1
3.94/5  rDev -1.7%
look: 4.25 | smell: 4 | taste: 3.75 | feel: 4.25 | overall: 4

Poured into a goblet. Color was a dark golden amber with several stream of carbonation rising from the bottom. Very thin head with some lacings, and a tad of cling. Aroma was a slightly citrus tang, not at all hoppy. Flavor hit with a hoppy piney zing up front, but had a hint of bitter grapefruit in the backend. As it sat the flavor changed and shifted a bit, mostly in terms of when the flavors hit. Felt great in the mouth. Nice coating, proper tingle from the carbonation. Overall, not bad, a different take on the flavor profile.

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Photo of arc0042
4.47/5  rDev +11.5%
look: 4.75 | smell: 4.5 | taste: 4.5 | feel: 4 | overall: 4.5

This is an incredible beer....I bought it at first sight (2 bombers for $6.99 each), because I am obsessed with grapefruit, and therefore centennial hopped ipa's in general.

To be honest, I'm slightly disappointed with this beer only because there isn't enough grapefruit peel in it...I bought it thinking "Finally, A beer with so much b-myrcene and d-limonene that I will make an awkward face after ever sip, and then love every minute of it.

What I got was a somewhat average tasting IPA. And by average, I only mean that these flavors can all be found in other beers. It is definitely a delicious, well-rounded brew. I was just expecting a more aggressive usage of the grapefruit peel.

As my rating suggests, I would still highly recommend this beer to everybody. It is excellent, as are all of Stone's beers. It just didn't live up to the "grapefruit slam" name that it was given. I was expecting to get on here and rate this beer 5/5, because I have been looking for a beer heavy in terpenes such as myrcene and limonene, so heavy that I will almost gag at the flavor capacity. Instead, i tasted a brew that is quite good, in my top 20 of all time probably, but not what I expected it to be.

I would prefer a more aggressive profile, especially with the name "grapefruit slam"....It was more like a "grapefruit acknowledgement".

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Photo of scotorum
4.1/5  rDev +2.2%
look: 4 | smell: 4 | taste: 4.25 | feel: 4 | overall: 4

Bottled 1/23/14.

a: Clear amber with a finger thick white head which receded to thin surface foam and spotty lacing.

s: Intense citrus.

t: Pretty intense grapefruity sour citrus up front over medium malt base. Bitterness lingers somewhat on the sides of the tongue. Bitter finish.

m: Medium with good body.

o: This one delivers the promised grapefruit slam nicely. Quite tasty and fulfilling. I'd pay $3 for a 12 oz. bottle, but probably not over $8 again for less than double that amount. But then it may be a onetime offering, with more Stochasticity project entries to come. However, if GS becomes a regular part of the Stone lineup at a more reasonable sipping price, I'd definitely consider it in the running with most premium DIPAs.

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Photo of tbraun1
4.04/5  rDev +0.7%
look: 4 | smell: 3.75 | taste: 4.25 | feel: 4 | overall: 4

On tap to a tulip glass. Golden amber in color, with a nice rich head. Some traces of lacing. Smell is not over the top, but I'm getting some hints of citrus for sure. Taste is awesome. Mellows as it warms up, fantastic citrus and grapefruit pop. Really love the aftertaste of grapefruit. It adds something different for sure. Mouthfeel is on point. Nice resinous coating on the tongue. Overall, different but very enjoyable. Try it!

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Photo of macrosmatic
3.95/5  rDev -1.5%
look: 3.75 | smell: 3.75 | taste: 4 | feel: 4.25 | overall: 4

Reviewed from notes. Poured from bomber into an Upland pint glass.

A: Pours a hazy gold with a half-finger of white head and fairly low visible carbonation.

S: Citrus rind and milder resin hops with bready malt. Not complex, but not bad.

T: Grapefruit rind, lightly toasted malt with moderate caramel flavor, resinous and a touch of spice hops. Malt sweetness with grapefruit rind at the swallow, but ultimately on the hang cedes to the bitter grapefruit. As the beer warms during the drink, the fruity aspect of the grapefruit increases and the caramel aspect to the malt decreases - definitely a bit of an improvement.

M: Medium body, moderate carbonation. The alcohol is noticeable but not hot.

O: Pretty good, but predominated by the citrus bitterness, rather than the juicy fruitiness of the grapefruit itself. Pretty tasty, but I won't go looking for another one.

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Photo of jeff12hoops
3.16/5  rDev -21.2%
look: 3.5 | smell: 2.5 | taste: 3.5 | feel: 3 | overall: 3.25

I was very excited about this beer, but it didn't really match my expectations. With that said, it's still a fine beer, but I don't think it's anything special. I wish it had a richer flavor. Since the beer has grapefruit added, I was expecting either a refreshing, citrus-heavy beer that would complement an outdoor BBQ well, or a smooth, blended hoppy beer a la the Pliny series. Instead, the beer fell somewhere in the middle: you get a quick hint of grapefruit, but your taste buds are quickly overcome by the hoppiness of a traditional, albeit weaker, Stone beer. I was hoping for a blended aftertaste, but instead of an ideal marriage between sweet and bitter that could yield a smooth and satisfying finish, the two flavors don't overlap as much as I would have liked and the finish falls flat. Take my review with a grain of salt though because despite enjoying a lot of hoppy beers, I generally am not into Stone beers as much as the next guy.

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Photo of Yoopermk
4.13/5  rDev +3%
look: 4 | smell: 4 | taste: 4.25 | feel: 3.75 | overall: 4.25

This is a great beer! Pours a nice golden color with a little haze. Could immediately get the hops aroma with plenty of citrus. Nice head with some good lacing on the glass. Drinking is easy with a very refreshing taste, especially for a DIPA. The grapefruit flavor is unmistakable and really enhances the citrus flavor of the hops. Great to have a DIPA with a "twist" that really works. Wouldn't hesitate to buy again.

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Photo of gatornation
4/5  rDev -0.2%
look: 4 | smell: 4 | taste: 4 | feel: 4 | overall: 4

on tap @ red cow
A-pours a clear golden color with a nice full head some lacing very fresh looking
S-grapefruit rind citrus earthy spices with bread and malt
T- citrus peel and grapefruit up front with some fruity hops i get sweet caramel and spices
M-medium carbonation with lots of fruity flavors
O-great on tap easy to drink grapefruit did not overpower this

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Photo of FitnessForBeer
4.3/5  rDev +7.2%
look: 4 | smell: 4.5 | taste: 4.25 | feel: 4.25 | overall: 4.25

A: golden color, alittle cloudy looking. finger worth of head.
S: grapefruit, citrus, alittle piney. grapefruity and citrus comes through alot
T: Tastes alot of grapefruit juice, also very sweet. bitter on the end. Kinda like alcoholic version of grapefruit juice
M: medium bodies id say, nothing to complain
O: interesting beer, i kinda like the grape-fruitiness of it alot. I hope they do it again next year


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Photo of DrDemento456
4.2/5  rDev +4.7%
look: 4.25 | smell: 4.25 | taste: 4.25 | feel: 4.25 | overall: 4

Paid $8.99 a bottle not too bad since most stone DIPA's around 10 a bomber. Into a pint glass.

A - Its plenty carbonated giving me a full inch of head and great sticky lacing. Color is a bit light for a DIPA a very bright orange yellow color.
S - It does smell pretty stellar bright grapefruit hops and citrus zest. Doesn't smell as strong as I hoped but it could be I have a slight cold. No rough malts or ethanol smells so it does smell balanced.
T - Very juicy IPA in the front, sweeter malts in the middle, and a dry clinging herbal bite in the finish from that grapefruit peel. As simple as it is it's pretty damn good drinking almost as good as Ruination but a slight ABV increment. Very good stuff.
M - Super balanced for 8% drinking light to medium in body. Easy drinkin.

Overall for the price and the fact its a limited release I was glad to try it but couldn't see getting another bottle. A very smooth DIPA though.

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Photo of Bear1964
3.92/5  rDev -2.2%
look: 4 | smell: 3.75 | taste: 4 | feel: 3.75 | overall: 4

Poured from a bomber into a standard Pint glass, wonderful golden color with a 2 1/2 finger cloud like white head that left thick lace as I drank it down. The aroma held grapefruit pith and peel with a strange sweetness...almost candy like. I really enjoyed the taste on this one, the tangy pith comes out and is followed by the peel with a hops backing that brings this all together so well....a good balance for sure. Mouthfeel was what a DIPA is most times, medium to thick....thick on the back end and it worked well, it allows the taste buds to enjoy the flavor first before it gets thick and tangy at the end. Overall I enjoyed this beer and it showed once again that a DIPA can be more than a hop bomb...don't get me wrong I love a hop bomb now and again but I like to taste beers like this as well.

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Photo of Reeks
3.32/5  rDev -17.2%
look: 3.75 | smell: 3.5 | taste: 3 | feel: 3.5 | overall: 3.5

It did taste as advertised, straight grapefruit. I did not just have a hint of grapefruit it was all grapefruit rind with super subtle hops. I was not impressed with this beer.
It almost reminded me of a slightly stronger hansen's grapefruit soda.
The positives were the color was great and had a nice head. That's where the positives end however. I was not expecting such an overbearing flavor of grapefruit peel and that's really all it succeeded at. I wanted to like it, it just never happened. A few tweaks to the recipe may salvage this beer.

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Photo of BucannonXC5
3.68/5  rDev -8.2%
look: 4 | smell: 3.5 | taste: 3.75 | feel: 3.5 | overall: 3.75

Type: 22-oz. bottle
Glass: Polygamy Porter pint glass
From: 55 Degree Wine in Glendale, Calif.
Price: $7.99
Purchased: March 28, 2014
Consumed: March 29, 2014
Misc.: Bottled on Jan. 23, 2014

Poured a honey, orange, semi-hazy color with three fingers of frothy off-white head. Lots of foamy layered lacing on the sides of the glass. Good retention all the way down.

Smelled wet cascade hops, pine, soap, bitterness, grapefruit rind, citrus spicy hops, pepper, slight cigarette and light floral hops. Tough to find overall though.

Tasted wet cascade hops, pine, soap, very bitter, buttery notes, grapefruit rind, bitter grapefruit, citrus hops and some floral notes.

Light-to-medium body. Creamy texture. Average-to-lively carbonation. Long, bitter finish.

I was pretty disappointed with this beer overall. I probably even overrated this one.

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Photo of gonzo000
4.15/5  rDev +3.5%
look: 3.75 | smell: 4.25 | taste: 4.25 | feel: 4 | overall: 4

a. Clear golden color with a 1 inch head poured from a bottle.

s. Pine and bitter grapefruit citrus, as advertised.

t. Surprisingly not as heavy on the grapefruit as I expected. Nice use of the grapefruit flavor, not overpowering.

m. plenty of carbonation.

o. An outstanding beer. Would purchase again if I can find it.

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Photo of metter98
4.06/5  rDev +1.2%
look: 3.75 | smell: 4 | taste: 4.25 | feel: 3.75 | overall: 4

A: The beer is slightly hazy amber yellow in color and has a light amount of visible carbonation. It poured with a quarter finger high white head that quickly died down, leaving lacing on the surface and a collar around the edge of the glass.
S: Moderate aromas of grapefruit and grapefruit peels are present in the nose.
T: Similar to the smell, the taste has flavors of grapefruit citrus from the hops but there almost seems to be nearly an equal amount of grapefruit zest, the latter of which stands out in the finish. There is a moderate to high amount of bitterness and this persists through the finish. Only slight traces of alcohol are perceptible.
M: It feels medium-bodied and crisp on the palate with a moderate amount of carbonation.
O: As advertised, the aromas and flavors of this beer are all about grapefruit, although the addition of grapefruit peel seems to mellow things out about and not make this as tangy as you would expect.

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Photo of ColdOneKev
3.84/5  rDev -4.2%
look: 4.25 | smell: 4 | taste: 3.75 | feel: 3.75 | overall: 3.75

A - Clear amber, pours a thick 2 finger white head. Fades slowly and leaves thick lacing.

S - Grapefruit, spicy earthy hops, caramel.

T - Sweeter up front than I expected, maybe that's the grapefruit, then some of those spicy hops. Not getting too much pine, so these Chinook are leaning more towards the spice which compliments the grapefruit.

M - Medium body, medium carb. Drying afterwards, leaves some bitterness.

O - I was really excited to try this one, but alas it's just not for me. It's a very good beer, but not something I'd seek out again. This was bottled in January, so maybe a fresher bottle would've been better.

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Photo of barnzy78
4.11/5  rDev +2.5%
look: 4.75 | smell: 4.25 | taste: 4 | feel: 4 | overall: 4

22oz bottle, better price of $5.99, but I've seen it for as much as $8.99, which is a little steep for my liking
L - amber with a tall, frothy off-white head that holds good retention as it leaves lacing down the glass. Some particulates, especially toward the bottom of the bomber - not sure if it's yeast or grapefruit peel (looked more like peel)
S - juicy, citric, and, fruity. Caramel, grain, spicy and piny hops also
T - pungent and bitter with some caramely sweetness trying to hold up some sort of backbone. Toasted grain, grapefruity hops and actual grapefruit with piny and spicy hops mixed in there
F - medium, resinous, lingering pungency, astringent finish
O - unique and good! I dig it.

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Photo of GPHarris
4/5  rDev -0.2%
look: 4 | smell: 4 | taste: 4 | feel: 4 | overall: 4

a - poured a one finger thick tan head into a snifter that left good lacing and sheeting throughout. the body was a bright orange-golden color.
s - big grapefruit and bready aromas.
t - same as the aroma. grapefruit just dominates but it's not overwhelming. well done.
m - medium and coating.
o - grapefruit can be a tough one to brew with but stone hit the right amount of it in this beer.

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Photo of vfgccp
2.87/5  rDev -28.4%
look: 4 | smell: 3.25 | taste: 2.5 | feel: 2.5 | overall: 3

A - Deep orange gold. White head pours about a finger high with nice retention and ok lace.

S - Woody bitters, wet plants, and a soft grapefruit citrus.

T - Bold citrus pith and bitter resin overwhelms the brew. The wet plant note from the nose comes through in the taste, and detracts from the quality of the bitterness and the otherwise really nice caramel, honey, and white raisin backdrop. Sharp bitter citrus finish.

M - Smooth, medium-full body, but a lack of carbonation and a raw resin feel detract from the rest of the beer.

O - The grapefruit rind adds more raw bitterness than flavor character. Poor balance and integration.

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Photo of DrunkenSwine88
3.47/5  rDev -13.5%
look: 3.75 | smell: 3.5 | taste: 3.25 | feel: 3 | overall: 4

A relatively clear, golden hued ale bursting with sweet hop smells of pine and citrus.
The taste is pure hops! The grapefruit flavor is light. The aftertaste is pungent with alcohol and juniper, almost gin like. The mouth-feel is dry with a resin stickiness, hops at its best.
Overall this IPA is bursting with flavor and aroma. The grapefruit is a little too subtle and lost among the herbal hop bitterness. I am not quite sure what was trying to be accomplished here as some hops already contribute flavors of citrus/grapefruit.

Suggested Movie Pairing; Snatch - A fast paced in you face endeavor, with fast changing scenery and plot points. If you don't pay close attention you could lose the subtle nuances.

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Stochasticity Project Grapefruit Slam IPA from Stone Brewing
4.01 out of 5 based on 1,962 ratings.
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