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Thread: How long to run Stenner pump?

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    Join Date
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    How long to run Stenner pump?

    For those of you w Stenner pumps, how do you calculate how much bleach your pump disperses at a given run time?

    I just bought a fixed rate Stenner 45MPHP10 (100 psi) from Locke. The pump come w #2 pump tubes.

    I normally add roughly 95 ounces of bleach each day in the Summer months. My pool gets full sun the entire day and I usually keep my CYA at around 45 or so.

    How do I know how long to run the Stenner? It's going to be plugged into a separate timer.
    16 x 32 In-Ground vinyl, 21,000 Gallons, Hayward Cartridge Filter, Hayward Tiger Shark robotic cleaner, Taylor K-2006 Test Kit

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    dsmith99's Avatar
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    Re: How long to run Stenner pump?

    http://www.lockewell.com/pdf/45series.pdf

    At the bottom of the specs page it shows with #2 tubes your pumps output should be right at .89 oz per minute.
    AGP 24' x 54" approx 14000 gal Full sun all day, Hayward 1.5 HP and EC50 D.E. filter
    Stenner 45MPHP10 10 gal/day fixed rate with intermatic ET1125C timer
    Dolphin E10 robotic cleaner, 330 gallon Tiger River Spa, Taylor K-2006C test kit

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    Re: How long to run Stenner pump?

    My wife makes fun of me for all the things I track. But, hey, here's an Excel workbook couple of spreadsheets that will help you out: stenner calcs.xlsx - Google Drive <-- download and use as you wish.

    The first spreadsheet "Run Time" assumes that you only have a timer with minute increments. If you can do fractions of a minute, you'll need to revise. Anyone that uses this just needs to change the Pump Gal/Day setting to match his or her pump, and then supply the value in the Oz Needed cell. This will tell you how long to run your pump.

    For example, you need 95 oz/day @ 10 gal/day pump. To achieve you'd need to run for 106.875 minutes. In reality, it would be 107, and you'd actually pump 95.111111 oz.

    The calculated Pump Oz/Minute is used on the next spreadsheet.

    The Usage spreadsheet will track your usage, and will help you know when to go fill the tank. I basically just update the usage any time I adjust the run time on my pump, or every week. I was a little slow updating recently, and realized the pump was empty the day before. Oops!

    Hope this helps!
    Chris & Lea Stoddard
    20k gal, IG shotcrete/pebble pool/spa combo
    Filled 11/19/2016
    All Jandy: DEV 60, PS Stealth 2 hp 2 spd, LXi (gas) heater, PDA-PS8
    Stenner 45MPHP22 for chlorination

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    Re: How long to run Stenner pump?

    Quote Originally Posted by stodds View Post
    My wife makes fun of me for all the things I track. But, hey, here's an Excel workbook couple of spreadsheets that will help you out: stenner calcs.xlsx - Google Drive <-- download and use as you wish.

    The first spreadsheet "Run Time" assumes that you only have a timer with minute increments. If you can do fractions of a minute, you'll need to revise. Anyone that uses this just needs to change the Pump Gal/Day setting to match his or her pump, and then supply the value in the Oz Needed cell. This will tell you how long to run your pump.

    For example, you need 95 oz/day @ 10 gal/day pump. To achieve you'd need to run for 106.875 minutes. In reality, it would be 107, and you'd actually pump 95.111111 oz.

    The calculated Pump Oz/Minute is used on the next spreadsheet.

    The Usage spreadsheet will track your usage, and will help you know when to go fill the tank. I basically just update the usage any time I adjust the run time on my pump, or every week. I was a little slow updating recently, and realized the pump was empty the day before. Oops!

    Hope this helps!
    Thank you!!! Very helpful. I actually added one last column on my spreadsheet that converts the total minutes to more of a time value. (In other words 104 minutes calculates to one hour and 44 minutes)
    16 x 32 In-Ground vinyl, 21,000 Gallons, Hayward Cartridge Filter, Hayward Tiger Shark robotic cleaner, Taylor K-2006 Test Kit

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    Join Date
    Aug 2016
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    Re: How long to run Stenner pump?

    Good! I'm glad it helped. I've received a lot of help on this site, and this may be my first contribution. Still in debt, though. Good idea on the hrs:mins.
    Chris & Lea Stoddard
    20k gal, IG shotcrete/pebble pool/spa combo
    Filled 11/19/2016
    All Jandy: DEV 60, PS Stealth 2 hp 2 spd, LXi (gas) heater, PDA-PS8
    Stenner 45MPHP22 for chlorination

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    Mod Squad pooldv's Avatar
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    Re: How long to run Stenner pump?

    Nice work! The more our spouses make fun of us the better our pools and TFP experience gets!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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