

I'm new in this things , I start with fesh water thanks since almost two years ago and I have some experience with reptiles also, I have a big proyect, I'm building a paludarium Im a 75 gallon thank, but I have some questions since I'm using concret to build the structure to hold plants, If some body know anything about a concret same for fish???, the one that I'm using is mort concret, but I eared that it will leach a lot of calcium and the ph will be very high for fish to live, does any body have any ideas??.
Any advise will be really aprecieted


