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Old 07/30/2015, 03:40 PM   #1451
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Join Date: Mar 2009
Posts: 205
Originally Posted by EvMiBo View Post
Are you running air stones? They recommend running the skimmer (and allowing it to overflow back into the system) because it acts as a massive aerator. Oxygen levels drop while dosing chemiclean. Most system crashes while dosing chemiclean happen because people don't aerate enough or at all. (fair warning)
No airstones. I removed my durso standpipe so water is falling into my overflow box. Skimmer is off and am topping off with Kalkwasser which releases oxide molecules. PH has been hovering around 7.8-8.0

At first I only dose half the dose, then added 25% and another 25%. Cyano is slowly dying from what I can tell.

Tank has not crashed nor appears any worse than before.

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