Just say no Gold !
Hi Gold
Got my last lot from RO Man before they closed and got taken over. About 5 years ago, Ro Man sent out a news letter stating the resin they supplied was FDA approved and safe for human use. As we have a customer with some very expensive Koi, I felt that this was the way to go as there wouldn't be any contamination from the water used to clean his windows affecting this pond.
Whether this was OTT or not I don't know, but it made the house owner happy and we have had no issues these last 5 years.
As our stock of resin is now getting low I need to find out if this was just marketing mumbo jumbo or whether it was fact.
Don't know what make of resin it was though.
Spruce