In reference to the "draped towel" concreteous planters, is there...
a need to leach out the caustic factor in the concrete before planting ? I recall that one must do that with hypertufa planters. It required a thorough wash-out, soaking period after curing. I'm going to drape some planters whenever it warms up a bit here! Dorothy Bogle. Westcliffe, Co.
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I think that it would make sense to do so!!