4 oz Rockpile, RP15, Wine Yeast - Treats 60 to 120 Gallons

4 oz Rockpile, RP15, Wine Yeast - Treats 60 to 120 Gallons

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$ 17.62 *
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RP15™ ("Rockpile")

WY24 - 10 g | WY42 - 4 oz | WY58 - 500 g


Recommended for use with the following grape varietals

Syrah, Zinfandel, Petite Syrah, and other Rhone varietals.

Sensory Profile

Enoferm RP15™, also known as "Rockpile", is characterized by red fruit and mineral notes.  However, it is particularly prized for its impact on mouthfeel.

Other Noteworthy Characteristics

Isolated from spontaneous Rockpile Syrah fementations in collaboration with winemaker Jeff Cohn. It is used in concentrated reds for a lush, balanced mouthfeel. It ferments with average vigor and low to moderate nitrogen demand.

Alcohol Tolerance


Temperature Range

59 - 90°F

Good for Late Harvest & Difficult Conditions?


How to Use



Click to compare yeast strains by sensory characteristics, alcohol tolerance, temperature range, and more.

DON'T FORGET NUTRIENTS! Yeast require nutrition for successful completion and to avoid undesirable fermentation byproducts such as the rotten egg smell of Hydrogen Sulfide.  Please be sure you are stocked with Fermaid K and DAP (Diammonium Phosphate)Our Guidance on selecting an appropriate nutrient program is here.

Pickup Locations Available for This Item

The Beverage People Warehouse, Santa Rosa.

Fulfillment occurs Tues - Sat, 9 AM - 5 PM. We aim to fulfill orders in 2 hours or less, whenever possible.

 Click for details about our pickup location.

Shipping Details

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How to Return Goods for Refund

All our supplies are guaranteed for one year. Request for refunds occurring more than 30 days after the date of purchase on non-defective goods may be granted as a store credit if the goods are returned in their original condition. Yeast is perishable and should be refrigerated on arrival. No refunds are allowed on sales of living organisms such as yeast and bacteria.


Average rating:
average rating 100%
1 reviews

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Featured positive reviews:

average rating 100%
Wine making supplies 10/07/2020
By Randy Everson
This was an unusual season but I think you all handled well. Everything I ordered was provided in a timely manner and the instructions to pickup were very helpful. Thanks for providing the supplies I needed to make my 2020 harvest a success.