Again, I don't know what I'm talking about yet but the way I look at it is that the sun doesn't shine every day. So it would be cloudy for a few days.
I dose PPS PRO and love it. I don't think that doing a triple dose would work the way your thinking. Tripling the dose would just give the plants and algae triple the nutrients.
The way I envision it is that if everything is in balance, ferts, CO2 and lighting, algae can't grow but if there is one thing in excess, then algae can take over.
My tank journal:
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