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Coralife 24W Replacements


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Whats the difference between the Coralife 24W Actinic with Coralife 24W 10K and using 2 24watt Compact Flo 50/50


i cant really afford a t-5 or led upgrade so im just replacing the stock lights. Any help would be appreciated

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There is no difference between the two. If you want an upgrade in output and color over the Coralife bulbs, then look at the UVL PC-Rs. They have internal reflectors that improve efficiency, and better phosphors for color and longer life.

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ty for the advice!


Which combo should i use to replace the 2 bults?


50% Actinic 03 / 50% 454nm Actinic Blue

Single Bulb Color (50% Actinic 03 / 50% Tri-Band White Spectrum)


or maybe


Actinic White - 50% Actinic 03 / 50% Tri-Band White Spectrum

50% Actinic 03 / 50% 454nm Actinic Blue


whats the best combination here for a FOWLR 14gallon?

PC-R - UVL Actinic White

PC-R - UVL Combo (Actinic White/454nm)

PC-R - UVL Dual Actinic (420nm/454nm)


sorry just not sure what this means excactly

whats the 50% actinic light? is it just a while or spectrum light?


Come on you work there EVIL help me out lol

and thanks for any help BTW

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The best combination is going to depend on the look you are going for. High PAR and high fluorescence aren't exactly priorities, so it's a matter of what shade of blue you want. One thing to note is that the Actinic White tubes have more of a pink tint to the light than a standard 10K bulb. If that's not your cup of tea, then go with any standard 10K or 14K white lamp. Seeing as performance isn't critical, the UVL bulbs may be overkill.

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