I've had great luck using both kalk and alk! I control the Geo kalk reactor via Apex using the PH probe to monitor the tank. Once the tank goes below 8.30 the kalk kicks on and kicks off at 8.31, by the time the PH probe reads it it's around 8.37. It only comes on at night when the lights turn off. This also works as a secondary ATO.Then I use the BRS 1.1ml to dose alkalinity throughout the day.The 2 skimmers are also drawing air from outside.
Last edited by dentdominator; 02-28-2013 at 07:56 AM.
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