View Full Version : K1 or K2

06/30/2013, 05:58 PM
I am looking for a stirrer for new 300 gallon. Tank will be mostly sps and wondering if the K2 is overkill? Will the K2 allow me to go longer before refilling kalk?

Avast Marine
07/02/2013, 06:49 AM
It really depends on evaporation. Any more than 5 gallons a day and I would go with the K2. I used a K1 on my 600g system for several years with 10 gallons a day evaporation and it worked just fine, but it required more frequent refilling.