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Neutralizer 2510 Calcite 1.0: includes 3/4 or 1 inch pipe connectors; by-pass valve;


All the filter media you need for the system is included.

Eliminates acidity in the pH range of 6.0 to 6.9 by slowly dissolving Calcite (calcium carbonate) into the water as it flows through the filter.

Depending on pH and service flow the Calcite bed will need to be replenished yearly with more Calcite


Filter tank is NSF certified one piece seamless polyester construction for long life.


Max pressure recommended is 100 psi.


Maximum water temperature recommended 100F.

Rugged heavy-duty Fleck 2510 backwash control valve features fully adjustable backwash and rinse cycles saving water and allowing maximized performance.

Time-tested hydraulically balanced piston seal and spacers provide years of trouble-free service.

Non-corrosive high-tech material construction.

12-day time clock can be programmed so the filter backwashes at any time of the day at intervals of every 1 2 3 4 6 or 12 days.

The recommended maximum flow rate for best performance is 5.0 gallons per minute but peak flow rates of up to 10 gallons per minute are possible.

The backwash flow rate is 5.0 gallons per minute.



Calcite or blend type:Use to raise pH:


Calcite Use if your pH is from 6.0 to 6.9

Raises pH to 7.0 to 7.5.


Calcite-Corosex 90%/10% BlendUse if your pH is from 5.0 to 6.0

Raises pH to 7.0 to 7.5


Calcite-Corosex 80%/20% BlendUse if your pH is from 4.5 to 5.0

Raises pH to 7.0 to 7.5


CorosexUseful for pH from 4.0 to 6.0

Raises pH to 7.0 to 8.5


Note: usually blended with Calcite


Common Tank Sizes Amount of calcite media in tank:

9' diameter x 48" height 1.0 cubic foot - 100 lbs

10" diameter x 44" height 1.0 cubic foot - 100 lbs

10" diameter x 54" height 1.5 cubic foot - 150 lbs

12" diameter x 52" height 2.0 cubic foot - 200 lbs

13" diameter x 54" height 2.5 cubic foot - 250 lbs


10 year Warranty on the filter tank.

5 Year Warranty on the control valve.

1 year Warranty on all other parts and labor.