Q:Well, I've had my saltwater tank for about 3 or 4 months now, and I'm wondering how to raise the pH value of my tank. It's sitting at about 7.5 right now and I know it has to go higher how do I go about doing this?
A: As you know Saltwater fish require a higher pH than Freshwater. The pH in a Saltwater tank is maintained most commonly by three ways.
I suspect your tap water is very low in Carbonate hardness and the buffers in the salt mix and the substrate are not capable of raising or maintaining your pH level. I would test your Carbonate and total hardness and add the appropriate amount of Calcium buffer to bring it up to a level where your water will stabilize. Your local pet store should be able test this and suggest a product that will work. Be sure to follow all directions carefully.
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