DI resin, mixed bed nuclear grade DI resin 20 lb bag for replacing resin in filter cartridges

Mixed bed DI resin. This is the higher quality nuclear grade which is the resin of choice for reef aquarium use or laboratory use.
This 20 pound bag of resin is enough to change out replacement media in your cartridges several time.

Free shipping only for orders shipped within the contiguous USA. Outside provinces, HI, and AK are all additional and an additional invoice will be sent for balance due on shipping.  International orders will ship by Ebay global shipping program unless prior arrangements are made.