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Old 05-05-2005, 08:23 PM   #1
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Low PH In the start of the cycle

We are starting our saltwater tank backup since our move from Maryland to Minnesota. We decided to tackle a reef tank this go around. We are experiencing low PH 7.8. We started the tank 5 days ago and introduced 7lbs of live rock 2 days ago adding on to our 30lbs base rock. In our past experience we have never seen low PH. Does anyone know why the PH would be low?
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Old 05-05-2005, 09:42 PM   #2
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What kind of substrate do you have?
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Good luck! Kat
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Old 05-05-2005, 10:37 PM   #3
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Carib Sea Aragonite 2.5 - 3" Inches
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Old 05-05-2005, 11:22 PM   #4
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Your ph reading out of the tap?
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Old 05-06-2005, 12:23 PM   #5
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Low pH is quite common during the cycle period. Quite often it will run amok with the chemistry in general. If you are experiencing any ammonia or heavy nutrient, the acids produced will pull down on the pH. Depending on your set up, covered tanks experience low pH from trapped CO2 and/or poor circulation.

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Old 05-06-2005, 12:36 PM   #6
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yes...dont worry....mine started low too and slowly went up...Im almost where i need to be and mine has been up for over a month
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Old 05-06-2005, 10:13 PM   #7
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Steve brings up a good point. Do you have a glass cover? This will trap gasses and cause the PH to fall.
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Old 05-07-2005, 02:00 PM   #8
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I do not have a cover. The lighting is on legs and the tank is open. I heard that it would have to be that way for coral life. I appreciate everyones comments.
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