
is it suitable to use the above soil be Clown Loach tank's substrate?
This brown soil is Japan Nisso active soil, it state that it can help to keep soft water and PH 6.8-7.
If I use sand to be , in what way I can make the water be soft and PH 6.8 that suit clown loach?
I want my little clown loach living comfortable in my tank.
