This one bugged me, so I consulted a local expert on soil and plants. They agree with me and gave me a couple of examples. 1. Do you rinse manuer before you put it in the garden? Nope, cause that is a waste! Which gives broccoli more nutrient value, steamed broccoli or boiled?
Look, rinsing is all about esthetics, and not your tank. Rinsing, especially heavily MUST by its nature remove beneficial aspects of your dirt or clay substrate, forcing you to fertilize more often and more heavily. Fill your tank right and the cloud is gone in a day or two.
In short, you can't convince me you aren't just flushing laterite down the drain until I see good studies that tell me otherwise. I stopped rinsing gravel and substrate back in the early 2000s when I was still using substrate gold. Have never seen any problems except healthier plants. If heavy rinsing is okay then so should be deep substrate vacuuming, which most of you say does remove beneficial material.
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