Refill
Provon 8824-03 1, 250 Ml Foam Body Wash/Hand Soap/Shampoo Combo Cartridge
A nice touch from The epoxy resin store is the small brush included in starter kits.
3M Stikit Paper Refill Roll 426U, 3-1/4 in x 85 in 180 A-weight, 10 Rolls
You will find that the ULTRA2 operates smoothly right from the first use.