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
Coarse Sponge Rock (perlite) – QuarterAcreOrchids
Orchid Nerd ™ Sponge Rock 2 Cubic Foot Box - Waldor Orchids
Horticulture Grade Extra Coarse Perlite Grade 4 for Use With Aroids
How to Use Perlite to Improve Soil and Boost Plant Growth – Garden Betty
Shop Pahroc Giant HTG Supply Hydroponics & Grow Lights
Therm-O-Rock Horticultural Perlite /3.5cuft 100055142
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)
OrchidWeb offers a wide selection of quality orchid species, hybrids and supplies with special care in our shipping.
Perlite, Super Coarse by Grow! It (aka sponge rock) #4 and #8
Orchid Nerd Horticultural Perlite (Sponge Rok) Lightweight and Aerated Growing Medium : Patio, Lawn & Garden
How to Use Perlite to Improve Soil and Boost Plant Growth – Garden Betty
Perlite, Super Coarse by Grow! It (aka sponge rock) #4 and #8 - OrchidWeb
Large Sponge Rock (#4) – Ravenvision Orchid Supplies
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,
Medium Sponge Rock
Perlite, Super Coarse by Grow! It (aka sponge rock) #4 and #8 - OrchidWeb
