TerraForums Venus Flytrap, Nepenthes, Drosera and more talk
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Howdy jimscott,
I use R.O. water with a PPM <5. Sometimes I add a little soluble fertilizer and bring the PPM up to around 60-80. I use the R.O. water because I use undrained trays and if I didn't I'd be spending most of my time repotting due to mineral build-up. If I were growing in a greenhouse or outside with free-drainage I'd see how tap water would work. I placed some of my plants in drained trays at a local nursery where they water with tap water, and those plants grow very well.
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