Red slim

[Calireefer92]

Hey everyone need some advice I have a 200 gallon 60x30x24 I’ve been battling with red slim for months and no matter what I’ve tried nothing is working, I’ve tried Chemiclean and Fritz red slim remover followed the instructions I’ve done 30 gallon water changes weekly nothing, I have 2 hydra 26, 1 Red Sea led 90, 2 Nero7, I have a Red Sea skimmer 600 clarisea filter roller, I’m dosing nopox I’m using Rowaphos with carbon. I use a 7stage rodi filter system reading at 0tds all the help would be appreciated

 

[DDenny]

What are your water parameters? Have pictures?