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[dbq5anlxj]

the po4 is much lower when I had brown algae. It might because all the algae used it up. Now all the algae died off so there is not enough living thing to consume the po4 anymore. And I only have 8
small sps frags. So full dose of start might help to lower it? Btw I dose 7ml coral snow every day...

[dbq5anlxj]

Update:
Net water volume 680-720L
Tank is doing okay. No brown algae anymore. But po4 level starts to go up a week before is 0.07 ppm Today is 0.12.

zeobac 6 drops twice a week
zeostart 0.5ml x2 (before I dose 0.4ml and the po4 was 0.02 after increased to 0.5ml po4...

[dbq5anlxj]

Hey Chercm. Do you use the same reactor? How big is your tank and what flow setting are you using? Thanks...