FLUORESCENT LIGHTS: Minimum Requirements
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
In a 3ft. x 3ft. x l8in. cabinet: two 3-ft. tubes placed nine inches apart; for high-light requiring plants: three 3ft. tubes which equals 90 watts for cattleyas, encyclias, oncidiums, dendrobiums,...
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