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Acceptable PPM Levels in Carnivorous Plant Soil Runoff

A grower measured 15 PPM in runoff from fresh long-fiber sphagnum moss watered with 0 PPM water, worried about soil contaminating water for Drosera.

15 PPM Is Safe

Christopher reassured that 15 PPM is harmless. Minerals leach from the soil initially but will stabilize. Levels below 50 PPM are safe for Drosera and Dionaea. The solids will partially reabsorb via capillary action.

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