Hi,
I monitor my pH with an Apex Controller, and it's been giving "high" ratings for a while now. I've tested the pH with a regular test kit and the pH IS effectively high.
I'm using tap water that I treat for my top off and water changes so I tested the treated tap water and it reads about 8.0. I tried adding vinegar a few times already. The pH goes down (after 3-4mins since I add it in my sump, just "after" the probe") but I'd say about... 4-6h after, the pH is back to it's high value. The pH increases/decreases at day/night, but that's normal and it's not what worries me.
Here are some information that might be related to this :
It's a 40g tank with a 10g sump. It has 2×24w T5 HO iirc. There is a "day light" light over the sump that lights at night. There is a red algae (not talking about the slime, I'm talking about a "normal saltwater plant") and an hammerhead coral in the display tank, and a Chaeto in the sump.
The tank only has 2 clowns, 2 cardinals, an urchin and a small cleaning crew.
Any idea what I could/should do about that pH?
I monitor my pH with an Apex Controller, and it's been giving "high" ratings for a while now. I've tested the pH with a regular test kit and the pH IS effectively high.
I'm using tap water that I treat for my top off and water changes so I tested the treated tap water and it reads about 8.0. I tried adding vinegar a few times already. The pH goes down (after 3-4mins since I add it in my sump, just "after" the probe") but I'd say about... 4-6h after, the pH is back to it's high value. The pH increases/decreases at day/night, but that's normal and it's not what worries me.
Here are some information that might be related to this :
It's a 40g tank with a 10g sump. It has 2×24w T5 HO iirc. There is a "day light" light over the sump that lights at night. There is a red algae (not talking about the slime, I'm talking about a "normal saltwater plant") and an hammerhead coral in the display tank, and a Chaeto in the sump.
The tank only has 2 clowns, 2 cardinals, an urchin and a small cleaning crew.
Any idea what I could/should do about that pH?
) but it's slowly becoming black, and I've been told it's caused by water being too basic. Last thing, is that I've been told that a pH this high might hurt the fish, even though the coral would still be fine.
