The Planted Tank Forum - View Single Post - Lighting for my new 30G Freshwater setup
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Old 01-24-2013, 09:11 PM   #2
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You need to replace your actinic bulb with either a 10000K bulb or 6500K bulb (or any other colour temperature you wish, as long as it is under 10000K).

Plants cannot use actinic light, so it is essentially useless to them.

Do you have a T5NO bulb or a T5HO bulb?

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