Delphinus......
I use Kent Liquid Reactor with Kent Turbo-Calcium when needed. keeps me @ about 420Ca and 10-12 dkh. My water flow is Aprox. 1100GPH Via 4 powerheads and about 250 GPH whith the EHEIM.....So turn over is abou 15 times.....this should be good.....right????
PS thanks for all your help
Richard
