No noticable change in PH. Styrofoam and pond sealer are PH neutral.Matt724;3694619; said:have you noticed any change in pH since you put the wall in?
[enjoyable_attempt];3712158; said:Very Very nice man! I'm really thinking about doing very similar to my 265. How thick of styrofoam did you use?
Matt724;3726518; said:was the sealer expensive? And does it cone in any other colors?
I love the gospel of the FSM - very funnyFSM said:I am going to do something like this on my next tank, but using drylok instead of pond sealer, and extruded polystyrene (available in blue or pink sheets at hardware stores) instead of the normal styrofoam that consists of little pellets stuck together.
A lot of people use concrete which seems like way too much of a PITA when it works just as well without it.