[fishytime]

[quote=Snappy;431553]

Now that I have a GHL I notice the daily swings, never bothered measuring the swing before but now it's displayed on the controller.
That said I should have gotten one a long time ago, I like it.

aw man...what did you have to go and say that for?

Originally Posted by naesco

Here you go. It is an interesting recent article by Dana Riddle who is an expert in these sorts of things. Scroll down to the PH in an aquarium part.
http://www.advancedaquarist.com/2009/6/aafeature#h7
Wayne

Thanks Wayne...that was a great link!.....except it made me think my PH is a titch low now