The Orchid Doctor Articles under the Heading Reverse Osmosis

Reverse Osmosis Comments
REVERSE OSMOSIS: Water Treatment An outline of techniques and apparatus used to grow a variety of plants in Canadian peat moss in California using an apparatus and a meter to measure the contents of dissolved solutes (salts and water systen additives); for an explanation and description refer to OD87-40; a water purification system explained, A84-1120; OIE87Jan-ll; AH86-96 0
REVERSE OSMOSIS: What Is It? A water filtration system, it removes most of the harmful mineral salts including white calcium residue-forming salts; available in five, fifteen or 25 gallom per day sizes; advt. A88-303 0

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