Adding a Tank Regina Bellows Updated May 24, 2019 21:04 Follow Tanks need to be setup before it's possible to start taking tank readings. Here's how: Click on Metrics in the main purple header. Click on Nutrients in the grey sub-header. Click on the +Add Tank button on the right hand side. Enter a name and total volume capacity for the tank. Check the boxes next to the zones that the tank is associated with. Click Save. You are now ready to begin adding tank readings. Comments 0 comments Article is closed for comments.