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I just started dosing Seachem Flourish Phosphorus and was following their direction and stumbled upon this thread. @cracker I have 87 ttl volume and was wondering what dosing formula u used to calculate how much to dose Seachem Phosphorus. ThxI have a 75 with around 90 gallons total. I started the seachem flourish . 1 ml & tested again some hours later & went from there. The amount I dose now will be different than yours for sure. Worked out pretty good .
@Randy Holmes-Farley based on your suggestion, that would come out to 0.0083 ml per gallon to does Seachem Flourish Phosphorus, is this correct? ThxIgnore any Seachem directions since it is not intended for a reef tank. http://www.seachem.com/flourish-phosporus.php
"2.5 mL (half a cap) for each 80 L (20 US gallons)...raises phosphorus by 0.05 mg/L (0.15 mg/L phosphate)"
I'd start at 0.01 ppm phosphate added each day. So that is 2.5 mL per 300 gallons of tank volume.