Depressed ph is usually related to excess build up of CO2
. Opening a window for a bit can counteract this.
This can be demonstrated by testing the ph of a cup of tank water and then placing outside. After an hour test the water again and you will see a significant jump on most situations. For example 7.9-8.2
29g Mixed Reef, 150w 14k Phoenix MH w/ Moonlights, Reef Octopus BH1000 HOB Skimmer, Ecotech Vortech MP10es, ReefKeeper Lite (Plus), PH Probe, Temp Probe, ATO, Carbon/GFO Reactor.