Quote:
Originally Posted by duncan.j.m.g
hiya chaps,
sure you can give me some good advice i just checked my calcium levels which are reading 410 which i am told is a little low, i have some calcium granuals donated by my old buddy telboy  but not sure how to add and how much to add any ideas lol |
if you are talking marine, natural seawater contains between 400and425 ppm so you are not that low, if you want to raise it a little more mix 1 teaspoon of the granuals in a half pint glass full of ro water add to the tank and retest tommorrow.