05-03-2019, 12:21 PM
Join Date: Apr 2005
Location: Brentwood, CA, USA
iTrader Positive Rating: 100%
| | Re: UV sterilizers and Excel
Originally Posted by ObiQuiet
Hmm. If one was to dose Excel primarily for algae control, would it make any sense to dose at the start of the dark period? Dumb question?
Hardly a dumb question. I don't know the answer, either.