

I've been using the oak leaf mould to replace some or all of the peat moss in a mix that is about 40% peat/oak, 50% sand and 10% red clay and shell grit. We don't have many "blackwater" crypts in Australia that grow in pure leaf mould, but if they ever get here I'm ready.
Update: May 2017. The pH of the mix is approx 7.2 so not acidic at all and not the best for the true blackwater crypts. I certainly do think its benficial to the mix, but for species that need pH <6.0 this isn't going to do it... at least not in the form it is here. I've got some in jars with Crypt cordata that have been festering as a slurry with water for a longer period of time and these are more acidic. It might take a couple of months in water for the organic acids to really do their thing.
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