The 5 Gallon Bucket Tests

iAVs is sand……and sand – at its most productive – is iAVs. But not just any sand will do. iAVs sand has 3 essential characteristics: It must be inert – that is it is not chemically reactive. It must be free of silt and clay. It must drain...

Where (and where not) to Access Sand.

Now, some places are better to source sand than others. Our preferred sources of sand include: Quarries – where they actually manufacture sand. Retail outlets – that access their sand from quarries. Cement or Cinder block makers You may even be able to obtain sand...

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