Tiger Toilet

The Tiger Toilet system was designed to counter the problem of latrine filling through vermifiltration. This passive process degrades and recycles waste by integrating composting worms, bedding materials, and a drainage layer into a pit latrine. In this design, vermifiltration has resulted in 100% degredation of faecal solids, leaving 15% of the waste weight remaining in the pit in the form of vermi-compost. The optimal design produced with the Tiger Toilet results in an average COD removal of 87% and a 99% reduction in pathogens.

Provided by the manufacturer.

The pit of a Tiger Toilet can operate for five years without requiring emptying.

The technology utilized in this product was shown to be feasible and that the presence of worms increased the faecal reduction rate.  Testing by Bear Valley Ventures has found that the worm-based digester can allow for household-scale pits to operate for five years without needing to be emptied because worms reduce solids by over 80%.

The Tiger Toilet system was designed to enable the safe removal of vermi-compost and to prevent the handling of undigested waste by humans. To ensure safety, users must be instructed to not handle the undigested waste immediately after it is deposited into the pit.