Which Spectrum T8 Tubes?

[AverageWhiteBloke]

Thinking of replacing my tubes on my Aqua one. They are 30" 25watt 10.0k And seem to have a washing out effect on the plants. I guess there's not much difference from Aqurium specific and normal tubes so wondering if there's anywhere people get their T8's from? Aquarium ones seem pricey for what they are. Also, which colour tubes tend to bring out better green in the tank and the colour of the fish.

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[Mick.Dk]

- anything of approcimately 6500 Kelvin, really (usually called "cool daylight" or the like) - and with a very high Colour Rendition (CRI) will fullfill your needs.

 

[Andy D]

I agree with Mick. I find that 6500K (Daylight) tend to give the better colour rendition. Anything lower than this and things start to look too yellow and any higher than this (like 10K) things do look washed out.

The 10k bulb you have is normally seen in a marine set-up.

 

[stu_]

I haven't priced up any others,but these are on sale
http://www.aquaessentials.co.uk/classica-t8-natural-daylight-lamp-25w-30-p-1886.html?cPath=12_203

 

[AverageWhiteBloke]

Thanks, those tubes are very reasonably priced I notice on Richards Comments he reccomends if changing two to get a mix for a more balanced light. Would it be better to get a natural and tropical or just the same type? Can't seem to find any information on either colour K just yet.

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