> Is the Pinpoint pH meter a good instrument for minoring my freshwater pH, > should I buy something more expensive? That'll work just fine. People commonly use it in reef applications. I use one personally. > I saw it at aquadirect and it seems to be an easy to use and cheap pH > meter, it doesn't have the control for the solenoid valve, but I have > decided to do without it in my CO2 tank. If you want a contorller for about $100, you can get a nice one from http://www.marine-monsters.com Cheers, Matthew ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@majordomo.pobox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@majordomo.pobox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!