is there an expiration date?

We go through a lot of this so we are constantly rotating our inventory. After purchasing, the shelf life should be at least 5-6 months before it will start to lose potency.

Will this remove the yeast taste? I've had bre

Unanswerable. The cause of the yeasty taste and when caused in the brewing process would need to be known. But, properly sterilized equipment should prevent previous batch contamination.

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Potassium Metabisulfite - SO2 (4 oz)

Product ID: 58315161

Details

Brand
CellarScience
Flavor
Unflavored
Item Form
Powder
Primary Supplement Type
Potassium
Unit Count
4.0 Ounce

🍷Controls spoilage & oxidation in wine

🧂4 oz pure potassium metabisulfite powder

⚗️50 ppm SO2 precision dosing

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AED 54

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Description

🍇 Elevate your vintage—preserve perfection with every pour!

EASY INTEGRATION - Dissolves effortlessly in a small amount of wine for gentle, uniform mixing without fuss.
TRUSTED BY WINEMAKERS - Highly rated with 4.6 stars from 123 reviews, a must-have for serious home vintners and pros alike.
ULTIMATE WINE GUARDIAN - Effectively controls spoilage bacteria, indigenous yeast, and oxidation to preserve flavor integrity.
PRECISION PRESERVATION POWER - Each 1/4 tsp delivers a precise 50 ppm SO2 dose to protect 5 gallons of must or wine.
PURE POTASSIUM FIXED FORMULA - Potassium-based metabisulfite ensures optimal stability and effectiveness over sodium variants.

Potassium Metabisulfite (4 oz) is a potent SO2 powder designed to protect wine and must from spoilage and oxidation. With a precise 50 ppm dosing per 1/4 teaspoon for 5 gallons, it dissolves easily and ensures stable, potassium-fixed preservation trusted by winemakers worldwide.

Specifications

ASIN	B074D988ND
Best Sellers Rank	#139,958 in Health & Household ( See Top 100 in Health & Household ) #260 in Potassium Mineral Supplements
Brand Name	CellarScience
Concentration	50 parts_per_million
Customer Reviews	4.6 4.6 out of 5 stars (123)
Flavor	Unflavored
Item Form	Powder
Item Weight	0.25 Pounds
Manufacturer	CellarScience
Manufacturer Part Number	AD495
Model Number	AD495
Number of Items	1
Primary Supplement Type	Potassium
UPC	843200100596
Unit Count	4.0 Ounce

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