problem maintaining proper parameters

[mrcopitr]

Originally Posted by michika

What do you have in your tank that is using calcium? What levels do you usually keep Ca at?

I usually had my alk at 7 to 9 dkh...and calcium at 370 to 380ppm....but I would like my range to be closer to 400 to 425 ppm for calcium and 10 to 11 for dkh??? Am I setting goals that are not necessary??? Plus when my alk is on the low side i.e. 7...my PH tends to fall rapidly.....

Tks