These are instruction for a DIY cannon I designed after having to come up with a lighting solution for this system that required recessed lighting in a balcony ceiling over 5' above the tank. Dana Riddle evaluated the cannon for spectrum, wattage and PAR and his results are in the xlsx file. The pdf instructions assume someone with basic "lob a blob" soldering skills and a basic understanding of electrical circuits. The xlsx document has spectral output, wattage and PAR map @ 9".
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