Plants: Dosing Nitrates And Wcs

Miles Green

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I have a newbie plant question:
It seems I have to dose nitrates in my high-tech planted aquarium (100 gallons / 400 litres).
Can I reduce my water changes (from weekly to every 2 weeks) rather than dosing more ferts?
 

Tesla

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In the high tech planted setup you are not just dosing nitrates with the ferts, there are lot many things like iron, phosphate - micro and macro nutrients being supplemented. Once in two weeks water would help nitrates go up a bit (though if heavily planted then the increase might be minuscule) but you would still need to dose ferts imo.
 

-Mak-

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Water changes remove algae spores, replenish minerals, remove organic waste, etc as well as "reset" nutrient levels so that you may dose in the ideal ratios again.
 

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