9
CLEAN AND CLEAR
®
PLUS Cartridge Filter Installation and User’s Guide
Acid Soaking the Filter Cartridges
After an extended period of operation, it may be necessary to soak the cartridges in an acid solution. Acid soaking
will remove algae, calcium carbonate, iron and other mineral build-ups from the cartridges. If not removed, these
mineral deposits can lead to the restriction of water flow through the Clean and Clear
®
Plus Cartridge Filter and
can impede efficient operation of the equipment.
RECOMMENDED EQUIPMENT:
• Large Plastic Container
• Garden Hose with a Straight Flow Nozzle
• Muriatic Acid (stored in opaque container)
• Rubber Gloves
• Safety Glasses
• N-95 Dust Mask
PROCEDURE:
1. Remove all oils and cleaning solutions from the cartridges.
2. Put on protective equipment - rubber gloves, safety glasses
and N-95 dust mask.
3. In a large plastic container, create a solution of one part
muriatic acid to twenty parts water. See Figure 10.
4. Gently place the bottom of the cartridges into the acid
solution. Allow the cartridges to soak in the solution for 10
minutes, or until bubbling stops.
5. Turn the cartridges over, placing the top halves into the
solution. Allow the top halves of the cartridges to soak for
10 minutes, or until bubbling stops.
4. Remove the cartridges from the acid solution.
5. Using a garden hose with a straight flow nozzle, thoroughly
wash down the entire filter element. Wash from the top
down, holding the nozzle at a 45-degree angle to the
cartridge. See Figure 9, on page 8.
6. Reinstall the cartridges and dispose of the acid solution in accordance with local regulations.
Muriatic
Acid
Water
Figure 10
Introduce the muriatic acid as close to the water's
surface as possible. This will minimize splash and
reduce the risk of user contact with the acid.
Acid soaking without performing this step will result in permanent restriction of water flow through the filter and premature
cartridge failure.
Muriatic acid is corrosive and can lead to inflammation or burns to body tissue.
ALWAYS wear rubber gloves, safety glasses and an N-95 dust mask when handling acid to prevent serious bodily
injury.
To prevent degradation of the acid by UV light, store muriatic acid in an opaque container and away from direct
sunlight.
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