References: <199811210848.DAA25594 at acme_actwin.com>
Yes you can if it's the plain stuff. It's basically clay.
Ed
>> Aquatic Plants Digest wrote:
>> From: Rudy Muller <rmuller at hsc_vcu.edu>
>> Subject: Kitty Litter
>>
>> Can kitty litter be used effectively as a bottom 1/3 layer substrate?