Bogdan Posted November 4, 2012 Share Posted November 4, 2012 I was wondering how much pH swings in your tank. I will start with my data. 1. What is the difference between day max versus night minimum?. - 0.2pH (8.10 - 8.30) 2. What would you consider a safe range? -? 3. Also please indicate if you have refugium with light and what is the light cycle. - refugium light opposite cycle to DT 4. Any alkalinity, calcium dosing. - B-Ionic calcium and alkalinity 1ml of each every 2-3 days 5. Capacity of the tank + refugium. - 40G Thanks for your input. Quote Link to comment Share on other sites More sharing options...
FarmerTy Posted November 4, 2012 Share Posted November 4, 2012 1. daily pH swing - 7.9-8.2 2. Would prefer not to swing that much but causes no alarm on my part 3. Refugium runs 1am-8am, display tank runs 12pm-1am 4. Calcium reactor for alk/calcium , Ca=450 ppm, alk=8.8 dKh 5. 150 gals Quote Link to comment Share on other sites More sharing options...
Juiceman Posted November 5, 2012 Share Posted November 5, 2012 1. 8.5 during the day at it's highest - 8.2 during its lowest point in the night 2. ? 3. No Refugium 4. ALK doser runs for 50 seconds every 30 minutes all day every 2-3 days, haven't dosed calcium in about a month, reading 600ppm, idk 5. 200g tank, 40g sump, 300~ lbs of live rock, so @ 210 Gallons Quote Link to comment Share on other sites More sharing options...
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