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Augustine Orchid Society
We recommend you store the granular FEED ME
It also helps protect them against fungus gnats
no surprises
If the orchid mix pH is too high
Large Sponge Rock Size:Mini Bag Augustine Orchid SocietySponge rock, also known by the name perlite, is a very common ingredient in orchid mixes and for good reason. Sponge rock decreases compaction of mix, increases aeration and retains moisture. Sponge rock is a volcanic glass that expands when heated and becomes very porous. Large sponge rock, #4, is best combined with other large chunk media.
US$ 29.50
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