• This is USP 2
  • USP 3

    Rez Block 15ml Concentrate

    420 Science Rez Block 15ml Concentrate

    C$14.99

    Product description

    When you add RezBlock to your water, it prevents the resins from sticking to the glass and instead they float in the water allowing you to pour out that gunk along with the ash and other particulates you don't want.

    Login

    Forgot your password?

    • All your orders and returns in one place
    • The ordering process is even faster
    • Your shopping cart stored, always and everywhere

    compare0