PO4+ – Phosphate reef supplement.
Target: 0.02-0.08ppm (maximum 0.04ppm/d)
Prevents pale corals and bleaching due to PO4 deficiency. PO4 is being absorbed by the rocks, so it may take a while to level up. (A low range test is required)
Concentrate: 0.1ml / 100l = 0.01ppm raise
Start dosing: 0.2ml / 100l per day ( keep track with weekly measurements )