mmm last run i washed the hydroton with bleach. but i rinsed them very well and they sat dry for a couple of months before using them wonder if that has caused this
mmm last run i washed the hydroton with bleach. but i rinsed them very well and they sat dry for a couple of months before using them wonder if that has caused this
Are you using RO water or regular tap?
Also do you have two ph monitors, or do you just count on the one you have. It’s also nice to have two because if one goes out of wack the other will tell you it needs to be recalibrated