Sponge Rock

 Sponge 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.

Special Note: If you would like to order more than one product in this category, please place the order via the telephone at (609) 927-4126. All orders that have been placed for more than one product from this category will be held until the additional shipping is corrected. Thank You Waldor Orchids

• #3 medium size sponge rock