To save money and natural resources, the mains water will not be switched on this year until we have done all we can to collect, store and use the free water from the clouds.
The lid is pre marked for different cutoff sizes .
Step 3: Adapt the ideal to make it real: We might want to achieve something like this? This needs a turn piece at the top creating a slope for a straight piece, and a second turn piece into the butt.
The filler kits look to be for a domestic system of rainwater diversion from a downpipe connected to a drain.
They could perhaps be used to balance a multi butt system.