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thickest seal
Disc filtration is depth filtration
mites and powdery mildew*
Experienced gardeners know that a perfect outdoor mix is different than a perfect indoor mix
600w High Pressure Sodium DE Bulb .3GPH thickest sealCompared to single ended lamps, double ended bulbs are more effeciant by using the same wattage to produce higher par and lumen ratings. They have a higher red spectral ratio enhancing flowering and growth. Double Ended bulbs also provide minimal light deterioration for maximum intensity and lifespan. 5 reasons why double ended lamps are superior to traditional HPS bulbs: 1. They are more efficient, using the same 1000 watts to produce higher par and
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