500g/2kg water. Galla gall mainly acts on fungi and also has certain toxic effects on bacteria and protozoa. The common dosage is 4 to 5 mg/L for soaking or adding 2 grams per kilogram of feed to make bait. Its concentration preparation standard is to add water to every 500 grams of gallnut raw material. 2kg boiled juice, concentrated into 500ml. This medicine has the effect of inhibiting germs.