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What one dose does
PARAMETER
1 ml / 100 L
Potassium
+0.7949 ppm
To raise potassium by 20 ppm in 100 L: 25.2 ml.
Maker’s daily maximum: 13.2 ml per 100 L (13.2 ml for 100 L).
How it’s used
Test first; target 390-410 ppm (seawater ~399). Basic: 5 ml per 50 US gal every other day. If below 390 ppm, up to 10 ml per 20 US gal daily until in range. Maintenance ml/day = daily ppm drop / 21 x system US gal.