Product Reviews
Amazon.com
Use and Refill Videos
Refilling a cartridge
Using the Reset Device
Battery Replacement Instructions (CR-2032)
Step by step
pictures
Videos:
Battery Removal
Battery
Installation
Solution Ideas
Per surveys in the litterbox forums, here are four most common products others are using:
1) PetZyme Stain and Odor Remover
2) Nature's Miracle Advanced dual action Orange-Oxy Just for Cats
3) Odoban
4) A variety of Quat based disinfectants (what's in the original stuff is based on):
Useful Links (other sites)
(other sites with additional info) Last Update: 6/15/2009
Substitute Solutions (litterbox-central.com)
Refill Solution Poll (litterbox-central.com)
Solution - What's in it and is it really safe? (litterbox-central.com)
Solution dispenses directly onto granules while drying?! (litterbox-central.com)
Quaternary ammonium cation (wikipedia definition)
Unclogging and cleaning (instructables.com)
Solving the Disappearing Granule Problem (instructables.com)
Repairing Arm Rotation Pin Failure (instructables.com)
How To Use Less Water and Keep The Toilet Clean (if
you have a spare bathroom - instructables.com)