An Inexpensive Water Tank for Gravity Fed Systems

 After experimenting with a few designs, we've come up with a water tank system using inexpensive 55 gallon plastic drums. The system can work for any number of drums in multiples of two. A manifold was constructed from pvc pipe parts and poly tubing.

Here is the setup:

Detail of the top T modules:

Detail of the main manifold:

The 3/4" tubing fits perfectly in the smaller drum hole

The drums did not come with the larger hole plugs so we had to purchase them separately