I don't believe in trying to fix something that isn't broken so when you say you're happy with the way your phals are growing in bark, my suggestion would be to stay with what's working for you. Having said that, I grow all my phals in coconut husk chips with a little charcoal and a little sponge rock. That mixture has worked very well for me but I grow outdoors in South Florida so my conditions are much different than yours. Some variables could be the quality of the CHC available to you compared to the quality of the bark you can get. I haven't had any problems with CHC breaking down and since I grow in clear plastic pots it's easy to tell if the medium is wet or dry by the color of the roots and the weight of the pot. I rinse my CHC two or three times before using it but the stuff I get is high quality and doesn't have any salt problems. Again though, why change if you're happy with your results using bark.
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