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2x Finnex Stingray on a 40B low tech?

626 Views 2 Replies 2 Participants Last post by  Doc7
Would two stingrays still be good for a non-CO2 (no excel either) tank set up like a "Tom Barr low light no CO2" method, with infrequent (weekly?) fertilizing? Is this too much light?
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PAR for one.. but really need 2 for excellent f/back coverage..
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Looks like it will be the right PAR range for two spread apart by several inches, a couple inches above tank rim for about 18" depth to substrate surface, for my non-CO2 low-tech set up! And CO2/Excel could only make it better in the future.
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