Who Gives A Fish Forums

Thanks for the tips. Cut the bad bits and dipped like Kalixar said. Alk was steady at 8.1 for weeks, but I'll test twice daily now. Gonna reduce lights too.

My Acropora started showing RTN overnight. Parameters are stable, 8.1 dKH, 420 Ca, 1350 Mg, 0.03 PO4, 5 NO3. Running a Red Sea Reefer 350 with Radion XR15s. Any quick fixes before it spreads?

Mine was like that last month, turned out the filter was too strong. Maybe check flow? They hate heavy currents.

Sorry to hear you're going through this. I've dealt with similar struggles in the past. It seems like you might be facing a fungal issue, with the white spot and the fins looking a bit melted, possibly fin rot. I'd consider setting up a separate hospital tank to treat this.

I've noticed that ...