????????? ?? ??????: ????????? ????? ?? ?????? ????? ?? ??? ???? ????????? ?? ????? ?? ???? ???, ????? ????????? ?? ?????? ?????? ?? ??? ???? ????? ?? ???? ???Right before including water on the tank, it ought to be sufficiently cleaned. Use a solution of potassium permanganate, i.e., KMNO4 (antifungal agent), to clean the tank and depart it for tw