Billbug68
Aquarium Advice Addict
Ok, it's a good thing that the quad light has the capability of turning off two of the lights. i understand the nutrient depletion overtime, but it's only been two months and there's already potassium depletion? i find that incredulous.
I don't find it at all unlikely, seeing as your plants are showing obvious signs of a deficiency. You can wait for Janis to chime in if you trust her more, but I know for a fact, even she uses root tabs in her dirted tank.
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