In article .com,
wrote:
Tell me, anyone, what is the difference between 2ppm of PO4 and say
5ppm of PO4 regarding algae, will one cause algae ansd the other will
not? I've dosed 1-2ppm of PO4 in my tanks for oh..........about 15
years ..........where is my algae?

It's here in one of my tanks. Do you want me to mail it to you
or something?

*******.

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