seeing as the hight is only 21" a 150watt HQI will do, but if you want to spend a bit more and go with the 250's they will be good also. the benifit of getting the 250's is that if down the road you want to get a bigger tank you already have lights for it and thus save money in the long run.
And while the 150's will work the 250's will work even better.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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