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hkgar
07/23/2017, 10:01 AM
to this coral? any ideas?

PO4 .03
NO3 >5<10 Salifert
Mag 1365
Ca 445
dKH 8.0

https://photos.app.goo.gl/AgrWla2uhlT3YXAn2

jda
07/23/2017, 09:40 PM
Do you have pests? I know that everybody thinks and says "no," but have you really looked? Any chance that a fish is picking on it?