OH! I cannot raise my reef pH!!

[eternal880]

Dear reef chemist experts,

I need help on my 19 Gal Reef tank.

Testing Data:

pH: 7.83
Calcium: 320 mg/L
KH: 13dKH
Ammonia: 0 mg/L
Nitrite: 0 mg/L

I have upset my pH-Ca-KH balance. My KH has over increase? What should I do to restore my pH?

I just put a double dose of liquid Ca into the system. Hope it balance KH

All additives I use aquapharm.

Thanks

[Billybeau1]

Yes you should work on getting that calcium up to about 420 or so.

As far as pH it is likely a CO2 issue. Read this article and perform the outside aeration test to confirm.

Low pH Causes and Cures
http://reefkeeping.com/issues/2004-09/rhf/index.htm

[DrBDC]

Here's a great article for you:

http://www.reefkeeping.com/issues/2004-09/rhf/index.php

[DrBDC]

Beat me to it!

[Billybeau1]

:D

[Serioussnaps]

kalkwasser is all you need along with a reliable doser

[Randy Holmes-Farley]

I will take a lot of the liquid calcium to boost the calcium. Forget a double dose. Use the calculator to determine an exact dose.

Reef chemicals calculator
http://home.comcast.net/~jdieck1/chem_calc3.html


Limewater (kalkwasser) and fresher indoor air are the best ways to raise pH (never buffers). The article above has more details.