This short paper discusses adding a siphon to a gravity fed water filter and how to set it up properly. The paper discusses the siphon applications to a 4×4 ceramic water filter cartridge but the ...

Gregg Semler hasn’t given up on the idea of scavenging the pipework at gravity-fed municipal water systems for cheap and clean electricity. Gregg Semler hasn’t given up on the idea of scavenging the ...