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NATURAL MULTI-COLOUR GRAVEL 1
when necessary
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Seachem Amguard 500ml canister NATURAL MULTI-COLOUR GRAVEL 1AmGuard Concentrate safely, rapidly and efficiently removes toxic free ammonia. It is safe to use during tank cycling and is ideal for treating unexpected emergency situations. AmGuard reacts with free ammonia within minutes and does not alter pH. Ammonia can exist in two forms: free and ionized. It is only the free form that is toxic. Traditional ammonia test kits convert all ammonia to free ammonia by raising pH to 12 14; at this pH no ammonia