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Thread: DIY Magnetic Stirrer

  1. Back To Top    #1

    Join Date
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    DIY Magnetic Stirrer

    This seemed like the best category for this topic, if it needs to be in another, feel free to move!

    I built a Magnetic Stirrer the other night with spare parts I had laying around the house. Very easy and only took about an hour!

    Its not necessary I know, but its fun and makes testing your water a tad easier.

    The parts I used are as follows:

    1 80mm case fan. (from an old power supply.)
    1 set of 4 case fan screws for attaching the fan. (Already in the fan)
    1 12vDC Power adapter.
    1 USB HDD case.(Old USB1.0 Case)
    1 Tube of strong glue. (I used epoxy)
    1 Roll black electrical tape.
    1 Rare Earth Magnet. (I got this from an old hard drive.)

    I would base this project an intermediate level task due to the electricity involved, possible fire hazards and risk of electric shock could occur.

    Making the case for you stirrer is up to you too decide, and there is countless possibilities for design. Once you have obtained your materials and have and idea for your case start building!

    If anyone would like more detailed instructions, I'd be happy to provide them. If not I'll save myself all the typing and go swim!

    Best of luck!
    BB

    P.S. Heres some pics of the finished product!

    AG 16' x 3.6' Easy Set ~3900G
    Intex 637R Filter Pump 1/9HP 1000GPH Cartridge
    BBB, TF100, 1st year Amateur

  2. Back To Top    #2
    gonefishin's Avatar
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    DIY magnetic stirrer

    Hi all,

    I wasn't sure exactly which forum would be best for this...but here's a link to a nice and easy magnetic stirrer. If I EVER get some free time I plan to give it a try.

    Here's the link for those Diy'ers... Do it yourself magnetic stirrers


    Get those soldering irons heated up

    dan
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    21' Aqua-Leader AGP (10,200 gallons).
    Hayward cartridge filter and two speed pump.
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    Mod Squad JohnT's Avatar
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    Re: DIY Magnetic Stirrer

    Don't know how you guys posted within two minutes of each other and with the same title, but I merged the posts. Probably going to move them to "Testing the Water".

    I was concerned that the forum database had been corrupted when I saw the two posts. :P

    Cool idea.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  4. Back To Top    #4

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    Re: DIY Magnetic Stirrer

    LOL thats funny. I remembered these from science class and thought I'd whip one up. Glad to see someone else on the same geeky wave length!
    AG 16' x 3.6' Easy Set ~3900G
    Intex 637R Filter Pump 1/9HP 1000GPH Cartridge
    BBB, TF100, 1st year Amateur

  5. Back To Top    #5
    gonefishin's Avatar
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    Re: DIY Magnetic Stirrer

    now that's funny! thanks JohnT
    21' Aqua-Leader AGP (10,200 gallons).
    Hayward cartridge filter and two speed pump.
    Aqua-Cal HeatWave 100k (HeatPump)
    Salt 3200ppm (in non-salt water pool)
    Borates 20ppm (slowly raising)
    Aqua-Rite SWG

  6. Back To Top    #6

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    Sudbury, ON
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    Re: DIY Magnetic Stirrer

    One question...where in the hard drive can you find the earth magnet? Never taken one apart so not sure where to look Thanks for the post and the pictures.
    15' AG - 48" walls and center dished out 8", 1 HP Hayward , Jacuzzi 225 sand filter, and Taylor K-2006 kit.

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    Re: DIY Magnetic Stirrer

    Quote Originally Posted by Northcountry
    One question...where in the hard drive can you find the earth magnet? Never taken one apart so not sure where to look Thanks for the post and the pictures.
    When you take the top cover off there will be the platters and the heads. The heads are on an arm. At the other end of the arm is a copper coil. This coil is covered top and bottom with the magnets. All drives are just a bit different. There is no way to miss them. The will suck your screwdriver right to them.

    Pics Added:




    IG Vinyl liner, 21,500G sport bottom, TR-60 sand filter, 3/4 HP Whisper Flow, BBB with 12.5% Liquid Chlorine

  8. Back To Top    #8

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    Re: DIY Magnetic Stirrer

    ^ Ya what he said. They are located under the head controller. You will need 2 pliers to separate the magnet from the other metal as they are glued down and very strong. Gripping and twisting in different directions to break the bond.
    AG 16' x 3.6' Easy Set ~3900G
    Intex 637R Filter Pump 1/9HP 1000GPH Cartridge
    BBB, TF100, 1st year Amateur

  9. Back To Top    #9

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    Re: DIY Magnetic Stirrer

    Pics added
    IG Vinyl liner, 21,500G sport bottom, TR-60 sand filter, 3/4 HP Whisper Flow, BBB with 12.5% Liquid Chlorine

  10. Back To Top    #10

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    Re: DIY Magnetic Stirrer

    Cool!

    I built this one some time back:
    homeade-stirrer-t3619.html

    Makes testing so much easier.
    Gary
    21k gal SW, IG Gunite PebbleSheen, 1HP Jandy, Jandy 340 filter, Polaris 280, 17' fiberglass slide w/ 2HP pump.

  11. Back To Top    #11

    Re: DIY Magnetic Stirrer

    Here's a tip, maybe you already know. The metal wire I used for stirring was scraping the plastic container for my tf-100 kit and was leaving floaters in the water. So I used heat shrink tubing & shrunk it over the wire with a small amount hanging over each end then squeezed the ends shut with my finger while still hot to seal it off. No more scratches & the metal won't affect the test(not sure if it would anyway) hope this helps.

    Anthony
    16x32 16000 gal IG vinyl liner
    Hayward S244T Sand filter
    Hayward 1 1/2 hp 2 speed pump

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