would it be a problem if i put a subtrate JBL aquabase plus at a level of 2cm and sand on top at a level of 4-5 cm
? or is it better to have less depth???
I was told that i should put 2 cm of the aquabase and 2-3cm of sand. Wat do u guyz think?

I was told that i should put 2 cm of the aquabase and 2-3cm of sand. Wat do u guyz think?