4 ms·

This link suggests you "just" need to make sure all openings in the tank are sealed and the inlet is protected with a fine mesh grille: https://www1.health.gov

by m4x 7y ago

This link suggests you "just" need to make sure all openings in the tank are sealed and the inlet is protected with a fine mesh grille: https://www1.health.gov.au/internet/publications/publishing.nsf/Content/ohp-enhealth-raintank-cnt-l~ohp-enhealth-raintank-cnt-l-5~ohp-enhealth-raintank-cnt-l-5.5 https://www1.health.gov.au/internet/publications/publishing....

carapace 7y ago
Or toss a few guppies or goldfish in there.
- prawn 7y ago
  That'd work in the tank (besides the fish excretions) but in a wet system, you have standing water in downpipes the diameter of a tennis ball that might get a little restrictive for fish.