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Hi all, I am working on a project for a boarding school in a developing country in the Pacific. I am trying to install a simple washboard type aerator above a tank (to try to reduce H2S smell). The water will be pumped into the aerator, flow through the aerator as through a waterfall, then...

Hi all, I am working on a project for a boarding school in a developing country in the Pacific. I am trying to install a simple washboard type aerator above a tank (to try to reduce H2S smell). The water will be pumped into the aerator, flow through the aerator as through a waterfall, then...

Hi all, I am wanting to build some basic corrugated iron (zincalume) roofs to provide catchments for rainwater collection in a developing country. Does anyone have any suggestions as to ideal roof slopes? The steeper they are I imagine the more expensive, and you are more likely to get splash...