all my orchids are in this rock
I found the higromite product at a local Hydroponics store along with the perma agra(round Clay things or as the wife calls them Coco Puffs) they also have bark like chunks of coconut husk.
I have found that mixes in different ratios of the above depending on the type of orchid works well, I have stronger root and better plant now then before and I have only been using for about 5 months and I am sold.
The coconut helps to hold more moister but it will not stay wet like bark, I have alot of mounted orchids whice hang above the potted stuff and the mounts need water every day so the pots would get a little to much, but now the water drains and just the right amount gets held for plant use.
Another product that has helped is a water filter system that was simple to install and inexpensive called the Gard'N gro, it is a great water filter simple, removes 95% of chlorine and minerals.
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