The Orchid Doctor Articles under the Heading Washing Plants

Washing Plants Comments
WASHING PLANTS: Mineral Deposit on Leaves Whitish calcium deposit can be removed with chemicals; use hydrochloric acid, 2.5 percent solution, which is a 27 percent industrial strength diluted with tenfold amount of water, and apply with a polyurethane sponge by wiping several times on the leaves only, then repeat with another sponge holding plain water; then rinse the plant held head-down under the tap. A73-719 0

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