Cheap RO/DI cartridges?

[Johnny Tang]

Hey everybody,

Where is the cheapest place online to buy RO/DI filters? Specifically the Kent Marine Hi-S SILICAMAX DI cartridge?

Thanks!

 

[James77]

Not sure on that specific brand....but Spectrapure has a silicabuster cartrisge, as does thefilterguys

Spectrapure has a sale.........
http://www.spectrapure.com/email/customer-appreciation.html

Also, bulkreefsupply group buys can net some great savings also, but they have no silica specific resin AFAIK