??????? ?? ????????: ?????? ?? ?????? ???? ????? ???? ??, ?????? ???? ?? ???????? ?? ??? ??? ???? ???Just before adding h2o to your tank, it ought to be sufficiently cleaned. Use a solution of potassium permanganate, i.e., KMNO4 (antifungal agent), to scrub the tank and leave it for twenty-four several hours to scrub. This Alternative will help kil