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Discussion Starter · #1 ·
I started a 10 gal shrimp tank. No CO2 but use 1ml Excel daily.
36 watts CF 6500K, 12 hrs per day w/ 15w, 8000K AGA strip light at side of tank along HC.
F. Black Sand
NO3 ~25ppm
PO4 ~2 ppm

HC was beginning to take off and looked really good (1st week). Now it has begun to yellow (2nd week).
Any ides?
 

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Discussion Starter · #3 ·
I tested my water for K using a LaMotte test kit.
I have around 30ppm.
I was thinking maybe low lighting was the issue.
 

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Discussion Starter · #5 ·
I'll try removing the strip light.
I was under the impression they were low to high light level.
I'm not going to set up CO2 in this tank.
 
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