Find iAVs-suitable Sand

Sand is central to the efficacy of iAVs so it should come as no surprise to anyone that we provide plenty of information about sand.  iAVs-suitable sand must be inert, free of silt and clay and able to drain effectively.

Why does iAVs use sand?

Sand Particle Range for iAVs

Sand Selection Guide

The 5-Gallon Bucket Tests

Sand Bed Lifespan and Maintenance

The Right Sand…one more time

Sand Particle Size – Distribution – Recommendation…Again!

Where (and where not) to Access Sand

Sand versus Gravel as a Biofilter Media