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09/20/2019, 10:50 AM | #1 |
Registered Member
Join Date: Aug 2009
Posts: 110
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Sick tank
Seeking help
I am fighting a number of issues with my reef tank. It all started when I decided to remove a very large coral and frag it, keep the frags and pass the rest to my LFS. After that event I developed what best can be described as a build up of a white fiber coating the glass and any branching coral. Then I noticed that my alkalinity was rising despite me not adding any alkalinity solution. I had to leave town on business so trouble shooting from afar is a bit of a challenging. Finally I noticed that when I turned off all Dosing (Alk, Mag, Ca) the alkalinity has stopped rising and is slowly falling. I am at a total loss of what’s going on. The tank is a 115 gallon tank 6 years old. Been basically very stable till now. As of today the reading are 12.50 alk ( it maxed at 13.00), 415 cal and 1330 Mag. I plan to measure phosphate and the other parameters when I get home as I suspect removal of coral ( and the live rock was temporarily removed) upset the balance. Normal maintenance is 10 percent water change per week. |
09/20/2019, 11:28 AM | #2 |
Registered Member
Join Date: Apr 2015
Location: Jacksonville, FL
Posts: 944
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depending on the size of the coral and what kind, yes that could have thrown everything off. You may have changed how much the corals where taking in the calc and alk. Now its just a matter of finding the balance again.
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09/26/2019, 11:01 AM | #3 |
Registered Member
Join Date: Aug 2009
Posts: 110
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It’s back
Update: last week turned off dosing and fish tank service who changes water when i am out of town did his best to remove buildup. On Sunday tank was still clear. On Sunday turn Mag dosing and tank still clear on Monday. On Monday turn on Alk dosing tank still clear on Tuesday. Finally turn on Cal dosing on Tuesday. Today it’s all back. It appears to me the Calcium is the cause. Based on Trident Alk 11 Ca is 407, 1350. Seems fine. And one have any ideas.
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