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Aquarium Advice Freak
I was at my local Lowes store earlier killing some time, and walked down the water purifier aisle and seen a bunch of replacement cartridges for RO systems, and seen that Whirlpool has several reasonably priced cartridges, both sediment and carbon filters at sizes that would fit any aquarium made RODI setup. Are these usable for any system or are they meant for just household? They have from 0.5 micron to 30 micron. If they are usable, it would save me a few bucks in shipping and its right down the road from me