what bulbs do you guys recommend for a 55 gallon tank. its a 4x54 t5ho. would the phillps or viavolt work. any help is recommend. currently not running co2 just flourish and excel
4 t5 bulbs without co2 sounds like a disaster but you can pretty get any brand as long as the spectrum is good (~6700k) and fits the wattage for the fixture.
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