How much Zinc Booster do I add?

Standard dose is 10 mL per hectolitre, targeting 0.2 ppm wort zinc. Double to 20 mL/hL for high gravity worts above 1.070 OG. Add cold-side during fermenter fill. Each bottle size is matched to a tank size range. See the Zinc Booster product page for full dosing guidance.

What nutrients does brewing yeast need?

Yeast need bioavailable zinc, B-complex vitamins, and nitrogen for healthy fermentation. The boil destroys most of these nutrients. Cold-side supplementation during fermenter fill restores what the wort loses. See the Bluestone Yeast Nutrient Booster range for dosing and product details.

All products

BSY-N01

Zinc Booster

Restore the zinc your boil destroys.

Sterile liquid zinc for cold-side addition. From less than 1 cent per litre of beer produced.

How it works

Zinc is a cofactor for over 300 yeast enzymes including alcohol dehydrogenase. Below 0.1 ppm, fermentations stall. Target: 0.15 to 0.30 ppm.

Hot-side additions do not survive the boil. Zinc Booster delivers bioavailable zinc cold-side, in-line during fermenter fill, where it actually reaches the yeast.

Dosing

Standard dose: 10 mL/hL (target 0.2 ppm wort zinc)
High gravity (OG above ~1.070): 20 mL/hL (double dose)
Non-malt fermentations: 15 mL/hL
Concentration: 8.79 g/L
Application: Cold-side, in-line during fermenter fill. Pour entire bottle into fermenter as it fills.
Format: Sterile liquid. Available in 250 mL, 500 mL, and 1000 mL bottles. Also boxes of 12.

Dose rate is built into each bottle size. No measuring required.

Pairs with

Pair with Vitamin Booster (below 1.070 OG) or High Gravity Booster (above 1.070 OG) for complete cold-side nutrient support.

The repitch connection

Every boil destroys nutrients. Every repitch compounds the deficit. Yeast scavenge zinc within the first hours of active growth, and wort zinc below 0.1 ppm is associated with sluggish fermentations and declining performance across generations.

Cold-side zinc at pitching restores what the boil takes out. Dose on every batch, including repitches, for consistent fermentation performance across generations.

See our Repitching Technical Guide for generation management protocols, and pair with the Clean Repitch System for reliable harvest and storage.

Results from Australian breweries

Approximately 4 days faster fermentation after zinc addition.

Range Brewing

WCIPA zinc batch reached FG in 21 days vs 29 days without zinc.

KAIJU! Beer

Works with any yeast

Including dry. Under 1 cent per litre.