there is no scientific proof that woodshavings are bad for rodents, and i do mean woodshavings and not sawdust. If you look at any papers that have been written on the subject you will find that they were written years ago when rats were kept in tanks with little ventilation.

I found the megazorb extreemely dusty and most of it got kicked out of the cages and onto the floors. I now use bedmax which is kiln dried shavings which are virtually dust free and i have had no problems with my rats on it, from oldies to new kittens.

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Jacky and the pet gang