USC LPH800 Operator's Manual page 25

Proper calibration of the liquid system is critical to achieve a proper granular/chemical
mixture. Use the calibration procedures on pages 32 through 35 to determine liquid
flow rate.
Emptying the remaining liquid can be done by using the reverse function on the control
panel. This will pump liquid back into the mix tank. Then drain the remaining liquid into
a suitable container. Clean water should be pumped through the calibration tube and
mix tank when finished.
Only you, the operator, can determine the length of time required to
NOTICE
completely rinse all chemical residue from the tank and plumbing
system.
LPH800 TREATER
Always dispose of chemical or diluted chemical according to your
local, state, and federal regulations.
Page 25