Crucial Elements DI is the leader in making sure your final product water is 0 TDS. The resin Crucial Elements uses is ideal for making laboratory grade type 1 water, which is perfect for top off water for your reef, salt and corals. Crucial Elements will always pack your DI in a refillable shell to give the option of refilling your DI, or you can dispose your exhausted cartridge.
DI Resin Filter in a Refillable ShellNuclear Grade, Color Indicating, Virgin DI Resin
Changes color from blue/black to red/orange as it exhausts.
Makes 0 TDS water perfect for top off water.
Prepacked and sealed for extended shelf life.