This is where I have bought my fertilizers for years:
http://www.aquariumfertilizer.com/
It's a good source with agriculture-grade ferts.
http://www.aquariumfertilizer.com/
It's a good source with agriculture-grade ferts.
toads74;125563 said:Just a random thought... Have you tried ferts from a different source? I had a mysterious issue a while back where a bad jar of re-mineralizer caused a bunch of headaches that went away after switching to a different kind. It would be inexpensive to try.