c02

I thought I understood this, but when I look at the PH in my tank I realize I can't explain what I'm seeing. What I thought was going on was that the photosynthetic organisms in my tank (corals, algae, ...) were absorbing C02 during the light period, driving up the PH. And it would go down at...

It's a long shot but I'm looking for a carbondoser with push connect fitting in good to excellent condition. The R2R members are too quick for me to buy off the forsale forums ;Sorry

ATI sunpower 48'' 8bulb fixture.2years of use.works great.comes w/ hanging kit.400.00 20lb c02 tank 3/4 full 70.00 x3 eheim jager heater 300w 20.00 each local pickup in GA. cash or zelle thanks for looking

c02 20lb tank 3/4 full.local pick up only no shipping.75.00 no paypal

Question: After seeing some suspiciously low alkalinity readings on a new Red Sea pro test kit, I started thinking about some of the RHF articles I'd previously read on the topic. Specifically: That explanation of how standard alkalinity test kits work seems to be mirrored many places across...