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I ment that pH droped to 7.7 (usually was 8.4-8.6). Stability on KH with 8.5 dKH.Not sure what you mean by stable. Your pH may be stable at 7.7.
If you mean low, pH is determined by CO2 and alkalinity. pH does vary a lot day to night, and varies depending on what else is happening in the home.
I vote gas exchange as well. usually the simplest answer is the best...run an outside airline into your protein skimmer. Pretty much the first thing people do to try and fix this situation and it only costs a few bucks and an afternoon.I ment that pH droped to 7.7 (usually was 8.4-8.6). Stability on KH with 8.5 dKH.
Per above answers, I understand that the root cause might be wrong gas exchange.
Will adding Ozonizer will solve this?
Thank you.I vote gas exchange as well. usually the simplest answer is the best...run an outside airline into your protein skimmer. Pretty much the first thing people do to try and fix this situation and it only costs a few bucks and an afternoon.
The skimmer injects air. Where the air goes in, add a small hose. The other end of that hose is outside. Now your skimmer pulls air from the outside.Thank you.
I am using BK 200 mini skimmer.
I am not sure I understand what should I do and how regarding "run outside airline into your protein skimmer"..
Ok, now it is clear to me (sorry for my English).The skimmer injects air. Where the air goes in, add a small hose. The other end of that hose is outside. Now your skimmer pulls air from the outside.
I ment that pH droped to 7.7 (usually was 8.4-8.6). Stability on KH with 8.5 dKH.
Per above answers, I understand that the root cause might be wrong gas exchange.
Will adding Ozonizer will solve this?
I noticed at the end of the dark lighting time (meaning, after night, just before aquarium lights turns on) that some of my damaged frags spit out mucus. It might looks like very small cotton balls, or like very thin white wire getting out of the frag's tip.
Is it due to the pH drop?
Thank you, Sir.I don't think so.
Thank you, Sir.
I am willing to learn, and will be thankful to read your opinion regarding the root cause of the problem I described.
Yes, please.You talking about the white material from the corals?
Yes, please.
What is it?
What caused it?