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UNDERSTANDING BREWING CHEMICALS
 
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CHEMICALS
USED IN BREWING

 

ITEM DESCRIPTION PURPOSE QUANTIY USED BREWING STAGE
AMYLASE ENZYME CONVERTS STARCH IN MALTOSE (sugar) FOR BETTER COVERSTION WHEN USING LOW-ENZYME MALTS OR HIGH AMOUNT OF ADJUNTS 1/2 TEASPOON PER 5 GALLONS MASH
ASCORBIC     ACID       (vitamin c) OXYGEN-SCAVENGER CALLED A REDUCTONE HELPS PREVENT OXIDATION OF BEER. 1/2 - 1 TEASPOON PER 5 GALLONS BOTTLING
BURTON WATER SALTS TO HARDEN BREWING LIQUOR TO RECREATE BURTON-ON-THE-TRENT STYLE PALE OR "HARD WATER" BEERS 1 PKG. [1/3 OZ (9g)] PER 5 GALLONS BOIL, MASH
CALCIUM CARBONATE (CaCO3) TEMPORARY HARDNESS IN MASH & RAISES pH INCREASES ALKALINITY / LOWERS ACIDITY
(RAISES pH)
1 TEASPOON RAISES CARBONATE 60 ppm & CLACIUM 36ppm MASH / SPARGING
CALCIUM CHLORIDE (CaCL2) INCREASES CALCIUM & CHLORIDE IONS.
( Often prefered over calcium sulfate)
WATER ADJUSTMENT AS NEEDED MASH / SPARGING
CITRIC ACID TO LOWER pH WHEN BREWING WITH HARD WATER ANTIHAZE &
  LOWER pH
AS NEEDED SPARGING
GELATIN ORDINARY UNFLAVORED GELATIN CLEARS YEAST & OTHER SUSPENDED MATTER BY ADSORPTION 1 PACKAGE PER 5 GALLON SECONDARY
GYPSUM (CASO4) TO HARDEN SOFT WATER & SETTEL OUT PARTICALS LOWERS pH AS NEEDED MASH
IRISH MOSS A DRIED MARINE ALGE COAGULATES TAINNINS & PROTIENS 1/2 TEASPOON PER 5 GALLONS END OF BOIL
ISINGLASS DRIED SWIM BLADER FROM A FISH CLEARS YEAST & PARTICALS AS DIRCTED ON PACKAGE SECONDARY
LACTIC ACID TO LOWER pH WHEN BREWING WITH HARD WATER LOWERS pH AS NEEDED SPARG
PECTIC ENZYMES DISSOLVES PECTIN, A POLYSACCHARIDE IN FRUIT BREAKS UP PECTIN TO AVOID HAZE 1/2 TEASPOON PER 1 GALLON PRIMARY, SECONDARY
POLYCLAR MICROSCOPIC PLASTIC BEADS ABSORB PROTEIN CLEARS YEAST BY ABSORBTION 1/2 OUNCE PER 5 GALLONS SECONDARY
TABLE SALT (NaCl) INCREASES SODIUM & CLORIDE IONS ADDS FLAVOR 1/2 - 1 TEASPOON PER 5 GALLONS MASH, BOIL
WATER CRYSTALS (magnesium sulfate & gypsum) AIDS ENZYMES DURING MASH &
HAS SOME HAZE -  PREVENTING INGREDIENTS
WATER HARDENER AS DIRECTED MASH, BOIL
YEAST NUTRIENT DIAMMONIUM PHOSPHATE, VITAMINS, & YEAST EXTRACT
(or similar mix)
PROVIDES NITROGEN & OTHER NUTRIENTS TO YEAST 1/2 PER 5 GALLONS (or as directed) PRIMARY