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I recently traded my 29 gallon for a 30 gallon. I have completed the intital planting including riccia. My question is, will riccia grow fine with 72 watts of pl lighting in a 30 gallon or is it not enough? I dont think its genuine 72 watts as it is 2 36 watt pl. Doesnt that mean that the intensity is only like 1.6 watts per gallon? I was looking at the ahsupply 96 watt kit and almost bought it, but I thought id ask here first. I was thinking of going brighter just to make sure the light reaches the substrate intense enough for the riccia to grow. The substrate is about 3 inches in height.

Thanks

Otis
 

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I use two 55 watt GE9325 CF bulbs above a 30 US gallon aquarium. That works for most plants, unless you wanted to concentrate on the less light demanding species. I think, in the long run, you would be happier with the flexibility provided by a higher level of lighting - if you are also supplying CO2.

Andrew Cribb
 
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