barrel washing for sand and gravel

  • 100-Year-Old Way to Filter Rainwater in a Barrel - The ...

    this is BS! the sand goes ON TOP. the barrel shown is a disease breeder.. look at ANY industrial filter. the sand is ON TOP. the rocks are ONLY to give a void for the water to collect. the charcoal is ALWAYS LAST because it is not to filter. it is to RESTORE TASTE. we live in the ozarks. we have lived EXCLUSIVELY off rainwater for over 30 years.