- Joined
- Jun 10, 2019
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- 1,112
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Hey I have 3 to 4 year old reef. I noticed my bubble tips mouth gaping and couple other corals looking not right. So did a water test everything was normal. Except my po4 was like 15. And my no3 was 0. Any help on how to raise no3 be great. I am running protein skimmer and skimzz cheto reactor