Well Yesterday Melissa called me and said there was some cyano
on the sand. She had the nanny vacuumed it out. This morning I looked in the tank and there was more. I vacuumed it out and checked the tank water and RO
water for PO4
Tank registered 0 and water straight out of the RO
unit was .01. I had replaced the filters 2 months ago but I went ahead and replaced them today. Am I correct in assuming this was the source? Was my tank getting rid of the PO4
by filtration and also the cyano
? I also took the filter media out of the wet/dry tray and replaced them with new poly filters. Any other suggestions or comments?