hi guys i have 1500 ltrs of water with a ph of 7.8 -8.00 kh of 3 in a book i have it says use bicarbonate soda to raise or phosphoric acid to decrese
the tank set is as follows
dark stones no plants 2 small drift wood,new peat in bags 2 days ago. 450 ltrs in sump 950 ltrs in 20 tanks today i took 1 ltr added 2 mil of ph 7.0 it works but it chemical and i would need 3.00 ltrs to fix problem at $50.00 per 400mls cost to much any ideas appreciated cheers