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  #16  
Old 05-16-2019, 09:15 PM
Pnorris11 Pnorris11 目前離線
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Join Date: Apr 2017
Location: North Carolina
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I don’t have a way to test the gph of my pump but visually mine does appear to flush at a lot more than 100gph (this probably wouldn’t move the stones at all) and it seems quite fast during the flush.
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  #17  
Old 05-16-2019, 09:25 PM
Rsafron Rsafron 目前離線
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Join Date: Mar 2019
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The issue is this pump has low head pressure. Today I took out the 1/2 flow sensor and just measured flow by filling a 1 L container with a stop watch. Flow was higher so I guess the Neptune flow sensor created enough restriction to slow flow down. The issue I have is the amount of rock that the pump has to push through will be the same restriction. I wish there was a way to measure flow through the reactor itself. I switch back to my manual reactor that I can measure flow with and a stronger pump to see if I can get my nitrate reduces. On mine, I was not seeing much movement in the stones which is why I pulled the pump out to try and measure. When I pump the stones on the manual reactor you can see the water get all cloudy with silt, with the Zar the water always looks clear even with short washes.
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  #18  
Old 05-16-2019, 11:00 PM
Pnorris11 Pnorris11 目前離線
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That makes sense. I have noticed the same lack of mulm when flushed compared to manual reactors also. Makes me wonder if its effective at cleaning the rocks.

Btw what is your PO4 with elevated nitrate? FWIW I noticed a nagging NO3 in my past zeovit tanks when PO4 was very low. I attributed this to there not being enough phosphate to also remove the nitrate since bacteria need both. At that time I switched to nopox for a period instead of zeostart since it doesnt have Nitrate and that fixed my issue. My whole problem started from using a PO4 absorber and that created an imbalance. May be totally different from your situation though.
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  #19  
Old 05-17-2019, 01:18 AM
Rsafron Rsafron 目前離線
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It has been stable at 0.02
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  #20  
Old 05-17-2019, 06:24 PM
Huntindawg Huntindawg 目前離線
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So you are off the Skimz zar reactor now and saw nitrates reduce?
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  #21  
Old 05-17-2019, 07:51 PM
Rsafron Rsafron 目前離線
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I did switch back to my previous reactor 2 days ago. No changes so far
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