Starch Test and Treatment Kit for Beer and Wine - Iodine and Amylase - Harris
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Use the Starch Test and Treatment kit to test if you have starch in your beer wort or wine must. You can then extend your mash for beer, or add the amylase to break down the starch.
If you are making a beer from grain, it is important to allow the starches in the grains to be turned to sugar for the yeast to eat. To be sure of an efficient mash, test with the starch test and treatment kit. Take a sample of the wort and add the starch test reagent. If the wort turns red / black, then there is still starch present, so you need to mash your grains for a little longer. If the wort does not change colour, then you know all the starch has been converted to sugar.
If you have made wine with starchy ingredients like barley, rice or potatoes, and your wine has finished fermenting but will not clear, it could be a starch haze. Use the Starch test reagent by putting 2ml of reagent into a test tube, then add 6ml of wine. Cap the test tube and shake. If the colour turns dark red / purple / black then starch is present. You can then add 10 drops amylaze enzyme per 4.5 litres of wine and stir. Leave the wine at room temperature for 2-4 weeks and the amylase will break down the remaining starch. The amylase breaks the starch down into sugars and if there are dormant yeast, they may eat these sugars and you may get a fermentation starting again. Once the enzyme has broken down the starch the wine will clear.
Kit contains, Starch Test Reagent, Amylaze, Test Tube, Pippette
WARNING - The Starch Test Reagent contains Iodine. ~If contact with skin, thoroughly rinse skin with water. Remove contaminated clothing. Shower if contamination is over a large area. ~Wear eye protection when using. If accidental contact with eyes, rinse with water for several minutes and seek medical advice. ~Do not breathe vapour. Use in a well ventilated area. If inhaled, move to fresh air. ~Do not ingest. If ingested seek medical advice. ~Highly flammable.
Consult label on bottle for full instructions.