Large Sponge Rock index-orchid-pot Angraecum sesquipedale

Angraecum sesquipedale

Fir bark breaks down more quickly in wet humid environments and as it breaks down it uses nitrogen

copper sulfate

The design provides for maximum aeration and light and includes feet that suspend the pot above the matching attached drip tray

Large Sponge Rock index-orchid-pot Angraecum sesquipedaleSponge 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.