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Attractive Foliage
Small lava rock is an excellent mix ammendment
Repotting just got easier indoors or outdoors anytime
Sphagnum moss can be used alone or mixed with other media
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Large Sponge Rock Size:Standard Bag Attractive FoliageSponge 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.
