PH refuses to go up!!

[Hightower]

Top off water is kalk. PH is 12.3

Water changes is usually at 7.8

I use RODI water

[Jason McK]

Ya I wouldn't worry about those numbers. it is more important to keep PH steady (which out are) that getting it higher. 8.1 is a good number and a night number 7.9 is pretty good.
J

[Aquaholic]

Well maybe you should go with "if it ain't broke don't fix it".

I don't worry to much about the numbers as long as everthing is doing well, and i keep up with water changes.

[Beverly]

The parameters you list look fine to me, also. I would second the idea of calibrating the pH probe just to make sure it's functioning properly.

As for your xenia, it might be reacting to a change in water current. My xenia, and I have lots of it in my 120g, falls over if I change the direction of water flow or if I reduce velocity.

[Hightower]

Ok maybe I shouldnt worry so much, but my torch coral and xenia have recently all melted away. everything else is healthy.

PH probe is 4mo old and calibrated 2 weeks ago. I was sure that coral like to have ph in the 8.3 range.

[hawaiiguy]

I'd agree with everyone else, your pH looks good. Your probably right, 8.3 is best but with your tank at 8.1, it's close enough. I don't think its worth messing with and taking the risk of sending pH skyrocketing out of range due to a mishap...

Perhaps the corals are struggling due to something else. What sort of lights do you have on them? How long are the lights on?

[Beverly]

Is your tank room well ventilated, or is it fairly well sealed?

Your change water pH seems a bit low. Are you vigorously aerating the NSW with a powerhead for 24 hrs before using?

The pH has been low in our three reefs lately. We have our windows open, have floor fans going day and night, and I dose kalk each night. Tanks are in our living/dining rooms. I've been fiddling with Randy's "baked" baking soda and baking soda recipe a bit lately, and recording proportions for each of my own recipes, so I can dose a bit of the "raise pH recipe" each day to raise pH. Am keeping records of pH before and after adding the mixture.

After two whole days of dosing and monitoring, I'm not noticing a huge change in pH, but I'm not expecting large changes with small daily does anyway. I'd be happy if morning pH rises .5 to 1 over the course of a week. Once I get pH up where I want it, pretty much anywhere between 8.0 and 8.4, I'll adjust the recipe to maintain pH instead of increasing it.

Sorry to hear about your corals

[Hightower]

Well the rom that sits in is sealed well, but there is a single pane window not too far away. Ive opened that sometimes, and I have a air pump running from the window to the my sump.

8.1 is the most ive seen it. It always sits at 8.0

Frogspawn,hammerhead, trumpet, mushrooms all look pretty good. Just dont understand the torch and xenia just melting away.

I'll leave it at that. You would think that having your top off water as kalk witha ph of 12 should keep your ph in the tank up.

[Skimmerking]

Originally Posted by Beverly

Is your tank room well ventilated, or is it fairly well sealed?

Your change water pH seems a bit low. Are you vigorously aerating the NSW with a powerhead for 24 hrs before using?

The pH has been low in our three reefs lately. We have our windows open, have floor fans going day and night, and I dose kalk each night. Tanks are in our living/dining rooms. I've been fiddling with Randy's "baked" baking soda and baking soda recipe a bit lately, and recording proportions for each of my own recipes, so I can dose a bit of the "raise pH recipe" each day to raise pH. Am keeping records of pH before and after adding the mixture.

After two whole days of dosing and monitoring, I'm not noticing a huge change in pH, but I'm not expecting large changes with small daily does anyway. I'd be happy if morning pH rises .5 to 1 over the course of a week. Once I get pH up where I want it, pretty much anywhere between 8.0 and 8.4, I'll adjust the recipe to maintain pH instead of increasing it.

Sorry to hear about your corals

THat is what i had to do If you can vent your skimmer with fresh air you will see a huge difference. That is what I did and my PH went from 7.8 to high 8.1 to low 8.2 So it does work