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Fresh Fish Freak
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You'll definitely have much more light to work with at substrate level with T5HOs verus spiral CFLs. That chart that Raymond linked is not accurate for spiral bulbs.

Another benefit that I think may be important depending on where in India you're located (climate) is that T5HOs will distribute heat a LOT better than CFLs- so your tank won't heat up nearly as badly during the summer.
 
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