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Old 04-27-2020, 04:14 PM   #3 (permalink)
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Default Re: iron bonding to phosphate to reduce GSA

Yeh I'ts at best a guess i'm quite the ignoramus when it comes to chemistry .I've just always been confounded by promotion of the idea of essentially surplus dosing with nutrients and at the same time claiming the plants are out competing the algae while still having said surplus . The Walstad book offered me attractive logic on that point targeting iron as the preferred limiting factor nutrient in the water column . I't would be nice to get more info on how quickly different proposed high cec substrates take up iron in the water column .Can anybody direct me to test work done in this area please ?
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