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PH Neutralizer / Softener sizing

Posted by wilsodt (My Page) on
Mon, Sep 12, 11 at 12:06

Looking to get another opinion on size. I have to replace a 20+ year old PH neutralizer. There is no existing softner but need one. The PH is 6.5, TDS 232 ppm, iron negligible (.04), 2 people in house, 2.5 bathroom but only 1 shower gets used. I have 1 recommendation for 1.5 ft3 calcite neutralizer & 1 for 2 ft3 with a 10 X 54 tank. Both recommend a 480000 10X54 softner that after reading on this forum I'm wondering if is too large. any help is appreciated.


Follow-Up Postings:

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RE: PH Neutralizer / Softener sizing

Assuming you're on a well... yes?

What is the SFR of your well?

Need to know the rest of the water conditions...

Hardness? Manganese? You say iron is .04 ppm?


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RE: PH Neutralizer / Softener sizing

It is a well with 3/4 copper from the pressure tank. Hardness is 12.5, manganese .02, iron .04. Is there something I can do to determine accurate SFR?


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RE: PH Neutralizer / Softener sizing

If you have a spigot (valve) at the pressure tank, put a 5 gallon bucket under it and open the valve for 10 seconds. Measure the water in the bucket and multiply by 6. That is the SFR in GPM. This is a rough estimate but usually will do.

A 1 cubic foot softener should do the job and will give you 9gpm SFR.

For your neutralizer, make sure you get a tank with a plug in the dome. Makes it really easy to add media.


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RE: PH Neutralizer / Softener sizing

Is the hardness your raw well water or after the neutralizer?


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RE: PH Neutralizer / Softener sizing

I'm assuming that the 20 year old neutralizer hasn't been effective for quite a while... but then we know about assuming.


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RE: PH Neutralizer / Softener sizing

The hardness is before the neutralizer. I believe the calcite adds additional hardness but not sure exactly how that works. The neutralizer is due for refill but is looking pretty bad so thought it was a good time to bite the bullet. It also does not have a dome refill hole.


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RE: PH Neutralizer / Softener sizing

The neutralizer will add hardness and that has to be calculated in when setting up the softener but it won't add a dramatic amount of hardness.

You'll love the dome refill hole the first time you need to add media.


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RE: PH Neutralizer / Softener sizing

Checked the SFR tonight - it is 9 GPM at the pressure tank.


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RE: PH Neutralizer / Softener sizing

That's adequate.

I would get the same model control valve on both the softener and Neutralizer. That way you only need to learn one control valve design and operation. If you want to build a parts stash that's easier if you use the same valve.


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RE: PH Neutralizer / Softener sizing

Per one of your previous post recommendations I plan to go with the 5600SXT on both with noryl bypass. Does the sizing on the PH Neutralizer make a big difference? As I said above one place recommended a 2 ft3, the other 1.5. Thanks for your responses, tried not to be overly redundant. Hopefully I can get some programming advice if needed.


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RE: PH Neutralizer / Softener sizing

You're looking to bump the PH from 6.5 up to 7 (or a touch over) so the 1.5 cube neutralizer should be OK. Don't forget the dome plug.

The 5600SXT is a good choice for both.

When you get the neutralizer installed check the PH and hardness. With that info we can program the softener control.

I'd also install a three ball valve bypass at the neutralizer and softener. That way, if the Fleck bypasses ever need service or leak (rare occurrence) you'll still have water to the house till the parts arrive and the repairs are made. Cheap to do and no down side.


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RE: PH Neutralizer / Softener sizing

I received both units. OPWC misunderstood my change request and sent 1.0 ft3 on both the neutralizer & the softener. The tank on the PH Neutralizer is 10 X 54. To compensate he is sending me another 1/2 ft3 of calcite to total 1.5. Is the only difference between the 1.0 & 1.5 the amount of calcite initially added to the tank?

Second question if I may - should the gravel base in the neutralizer cover the screen piece at the bottom of the tube? Thanks


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RE: PH Neutralizer / Softener sizing

Ask CK Moore @ OPWC...


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