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Thread: Lighting Chioce
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post #5 of (permalink) Old 02-21-2003, 12:37 PM
Rex Grigg
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Join Date: Dec 2002
Location: Portland Orygun
Posts: 9,600
OK, check your CO2 levels. For as much light as you have you want a minimum of 20 ppm of CO2. I doubt you are getting anywhere near that with a DIY bottle on a 46 gallon tank. Most people dose their chemicals individually. PMDD is a one size fits all solution that really doesn't fit many. I doubt that temp has much to do with your algae problems. It's a nutrient problem. Or a light problem. But really light is just another nutrient.
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