azza74
Active Member
hi all
im planning on using styrofoam blocks to build up a land area in some fish tanks (will cover in rock but mainly to keep the weight down) and was wondering if a pond sealer would be sufficient to coat the foam and stop any chemicals leeching out??
im planning on using styrofoam blocks to build up a land area in some fish tanks (will cover in rock but mainly to keep the weight down) and was wondering if a pond sealer would be sufficient to coat the foam and stop any chemicals leeching out??