CAT LITTER: In Potting Mixes

Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 8 years ago.

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A calcined clay or shale product sold in supermarkets is slightly alkaline and becomes neutral with use; cymbidiums grow well in it in small containers but some show signs of chlorosis when it is used alone, so fir bark should be added; perlite is preferable to cat littler. OA82-6
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