sahin
Ultimate Reefer
I would take the GFO and GAC offline and carry out 20% weekly water changes.
Are you also able to check out the PO4 level with someone else who has a different photometer and reagent batches?
I lost corals some years back due to a bad batch of Hanna reagents...was always registering the same...when I had my LFS test with their kit and a buddy test with a Merck test kit, my PO4 was much lower than the Hanna was reporting.
Are you also able to check out the PO4 level with someone else who has a different photometer and reagent batches?
I lost corals some years back due to a bad batch of Hanna reagents...was always registering the same...when I had my LFS test with their kit and a buddy test with a Merck test kit, my PO4 was much lower than the Hanna was reporting.