Can Aluminum Sulfate (Alum) be Used with Nualgi?

Alum may be used if the nutrient levels are very high or if the N:P ratio is unfavorable to diatoms, say less than 5:1. One dose of Alum should be dosed before dosing Nualgi. If there is excess Alum that does it may bind with Nualgi. We therefore recommend a gap of...
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