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Quantity
1
Description
Sponge rock, also known as Perlite, is a great ingredient for do it yourself orchid potting mixes. It's light weight and inert, so never breaks down (although it does crush). And while it is non-moisture retentive, it's full of all sorts ...
Reviews
5.0
12 ratings
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Nice, chunky, high quality perlite. My Hoya, orchids, and aroids love this in their soil mix!
L
Laina · 2 days ago
super light and airy
Does crunch somewhat easily, so be gentle when you use it