Who Gives A Fish Forums

sandfly wrote: ↑Thu May 15, 2025 6:48 pm T5s are old-school reliable, but LEDs save power. My Duncan's stretching like crazy under cheap Amazon LEDs, though. Weird vibe, right?

True, but bulb replacement every 9-12 months adds up. LEDs last years with proper care. Balance upfront cost vs long-term savings.

Been running LEDs for a year now, but my Acropora aren't thriving like they did under T5s. Anyone else notice slower growth with LEDs? My tank's a 75-gallon mixed reef, parameters are stable, 8.1 dKH, 420 calcium, 0.03 phosphate.


T5s have broader PAR distribution, which Acros love. Try ...

Thanks, everyone. I'll test with another kit and add an airstone. Filtration is a Fluval FX6, flow's strong but not turbulent. Feeding once daily with frozen bloodworms and pellets.

My Discus are acting weird, staying near the surface and not eating. Water params are good, 0 ammonia, 0 nitrite, nitrate at 10 ppm. Tank is 75 gallons, temp at 84°F, T5 lighting, sand substrate. Changed 30% water yesterday. Any ideas?