catfishcity
Member
Ok so i have been having major cyano problems for about 3-4 months now and can still not figure out how to stop it. i thought that it was my phosphates so i bought some phosguard and the phosphate is at 0 but there is still a ton of cyano. so now i am thinking that it is my water. but idk how it could be because it is from a machine that says it is carbon filtered, RO filtered, and UV filtered. i really just dont know what to do now. please help