alk?

[sparkey65]

hi randy in your opinion what is a good range for alk? and hardness? when testing?

[Muttling]

Here's a link to one of Randy's articles that I think will answer your question.

http://www.advancedaquarist.com/issues/nov2002/chem.htm

[Randy Holmes-Farley]

Thanks, Mutt. :)

This one is also a good general article:

Reef Aquarium Water Parameters
http://www.reefkeeping.com/issues/2004-05/rhf/index.htm

I usually recommend 2.5-4 meq/L (7-11 dKH) for alkalinity.