Clams for nutrient redux???

[doch]

VSV - Vodka, Sugar, Vinegar
VV - Vodka, Vinegar

AKA Carbon dosing. Dosing a trial and error determined amount of these carbon sources allows for growth of denitrifying bacterias which you then skim out of the tank combined with the unwanted nutrients. Some people use NP pellets... I didn't like them. Do a little reading on it... supposed to be very effective, cheap, and easy... especially if you run it on a dosing pump.

Denny - I've never heard of an ATS... care to elaborate?