Risers allow easy access from the surface to tanks installed underground. Risers must be secured and sealed to the top of the tank to prevent the intrusion of run-off or ground water. Riser lids should
I used the spreadsheet Gravity Powered Pressure Dosing System Calculator for the pressurized system and it works very well. I got it from your website.
B.E. – Kootenays, BC
“I just want to say I am impressed by the strength of this tank and will continue to use Premier tanks for my septic installations. (Please continue to make them tough.)”