Sponge Rock #3 (perlite)

Sponge rock #3 is a great ingredient for do it yourself orchid potting mixes for seedling and miniature orchids. It adds light weight bulk as well as

Sponge rock / Perlite coarse - 18 cup bag - Green Barn Orchid and Aroid Supplies

Large Sponge Rock - Potting Media - Mini Bag (2 Quarts) : Soil And Soil Amendments : Patio, Lawn & Garden

Perlite or Sponge Rock - Canada

What Is Perlite And How Does It Help Your Garden?

Perlite vs. Vermiculite: How and Why to Use Them – Garden Betty

Spongerock, also called Number 3 Grade Perlite, is suggested for use in most orchid potting medias. This material helps to keep the mix well drained

Spongerock -1 gallon

Large Sponge Rock (#4) – Ravenvision Orchid Supplies

Large Sponge Rock (#4) – Ravenvision Orchid Supplies

Large Sponge Rock (#4) – Ravenvision Orchid Supplies

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Sponge Rock Perlite

Sponge rock #3 is a great ingredient for do it yourself orchid potting mixes for seedling and miniature orchids. It adds light weight bulk as well as

Sponge Rock #3 (perlite)

Large Sponge Rock A-La-Carte Bag - 2.5 gallons (10 quarts) in a resealable Bag : Soil And Soil Amendments : Patio, Lawn & Garden

Small Sponge Rock - Perlite Gallon Bag - 1 Gallon (4 quarts) in a resealable Bag : Soil And Soil Amendments : Patio, Lawn & Garden