Thinking of alternatives to a wicking basket in the EarthTainer to eliminate the Potting Mix sitting in the water reservoir. The benefit would be to have pristine water in the reservoir.

I've come across a 7 inch Loofah Sponge that I think would perform the necessary wicking into the Potting Mix, without collapsing as a traditional sponge would do under the weight of the Potting Mix poured on to the Aeration Bench.

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Anyone with experiences using a Loofah Sponge to accomplish this - - or any alternative suggestions for a "hard" sponge-type wicking medium?

Raybo