You can go smaller, larger or even use multiple ibc’s when creating your own system. it is possible to purchase an ibc tote from a variety of sources online or at your local gardening centre or even at an aquaponics specialist. however, you don’t need to! there are plenty of other options to use as your water container.. Place the pump into the fish tank, with the valve attached to aerate the water. attach the pipe to the ibc cage with zip ties, connecting all the way up to the growth tank, where your other valve will be. attach an elbow fitted pipe to your valve in order to direct the water into the growth bed.. Download the manual here http://www.ibcofaquaponics.com how to build a really simple ibc aquaponic system using a minimal amount of tools. we also have step.