Running D.E. charge too long with build-up of live algae present
Operating filter without D.E.
Operating filter too long without D.E. after the pump starts. D.E. must be added
immediately after filter is filled with water and a steady stream is coming from the pump
Clean tube nest (2 methods)
Detergent Cleaning: Remove tube nest, hosing it down with forceful stream of clean water. Soak tube next in strong solution of laundry detergent and warm water. Hose down again.
Chemical Cleaning: Use water and muriatic acid solution to chemically dissolve contaminates. Consult with pool dealer.
Short Cycles when vacuuming
Live, vigorously growing algae
Alum or flocking agents clogging the filter
Bump-Drain-Recharge more often
Add chlorine, then vacuum
Vacuum to bypass filter, avoid using flocking agents
D.E. leaking into pool through return lines
Opening or tear in one or more Flex-Tubes
Rip or hole in diaphragm gasket
Worn or loose-fitting diaphragm gasket
Loose bolts on tube nest plates
D.E. leaking into pool through skimmer or main drain
Filter check valve worn or stuck open
Clean and/or replace valve
Caking of D.E. under tube sheet. Due to build up sun tan oil, hair, floating particles binding together to form clay-like substance
Overloaded with D.E.
Due to improper draining of last charge of D.E
Filter runs too long between bumping
Bump-Drain-Recharge more often. Reduce use of oils
Bump-Drain-Recharge with correct amount of D.E
Bump more often
Hayward D.E. Filter Systems
D.E. filters use a fine white powder (Diatomaceous Earth) to capture all dirt, removing microscopic dust and pollen as small as one micron. Quality, value, dependability and sparkling clear pool water are the Hayward Perflex system trademarks.