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  1. It’s probably a 1/4” npt, which is...

    It’s probably a 1/4” npt, which is similar in size to a 3/8” fine thread bolt.


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    If untreated water is an option, hands down it...

    If untreated water is an option, hands down it would be the better one.


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    You would need to find out if it is chlorine or...

    You would need to find out if it is chlorine or chloramine (less volatile and harder to remove).

    Also, a single pass through a carbon filter wouldn’t be enough to remove enough chlorine for...
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    We ship to Canada. There aren’t any...

    We ship to Canada. There aren’t any brokerage fees but you have to pay 15% hst in Ontario. Mark at Twisted Tree Maple is good to work with and can get all of our stuff as well.


    Sent...
  5. Pull your two permeate outlets and measure their...

    Pull your two permeate outlets and measure their flow independently. Even at 100psi you should be running better than you are. At this point I would suspect your membranes are bad. Use 30acres...
  6. Before changing from parallel I would figure out...

    Before changing from parallel I would figure out why you can’t get a 50/50 split. You should be able to completely stop the flow of concentrate with the needle valve. That is how you build up...
  7. Thread: Confused

    by carls47807
    Replies
    23
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    1,272

    Are you starting with 68 gallons of sap, going to...

    Are you starting with 68 gallons of sap, going to a final volume of 17 gallons after the RO, and making exactly 1 gallon of syrup?

    When concentrating to 8%, small errors in measurements make a...
  8. His pressure is fine, but being that he is...

    His pressure is fine, but being that he is running 2 membranes in parallel he is probably restricting to nearly no flow to achieve that pressure. The aquatec 8800
    Can’t really handle 2...
  9. Send a pic. Are you using a variable flow...

    Send a pic. Are you using a variable flow
    Restrictor? When you say 1.25 gph permeate, do you mean 1.25 gph if concentrate as well (are you running it at 50/50). Those numbers are super low.
    ...
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    1,407

    The RO Bucket doesn't use an off the shelf...

    The RO Bucket doesn't use an off the shelf residential membrane housing, they are specially made for their application. Your housing has the water port in the center and the concentrate line off to...
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    1,407

    Plumb the three center water ports in 3/8. Plumb...

    Plumb the three center water ports in 3/8. Plumb the first two concentrate ports in 3/8 and terminate it to 1/4” with a needle valve.


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    1,407

    Luck dog, There is a 2mm Allen screw in your...

    Luck dog,

    There is a 2mm Allen screw in your pump head. You can turn it in to increase the pressure.


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    1,407

    Your lower ports in the membranes are reversed. ...

    Your lower ports in the membranes are reversed. Center is water the one in the right is concentrate.


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    The TDS only measures ionic dissolved solids....

    The TDS only measures ionic dissolved solids. Sugar is a covalent compound and therefore won’t show up in a conductivity tester. Luckily, membranes tend to pass ionic content long before they...
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    As with Hodorskib, I have found parallel and...

    As with Hodorskib, I have found parallel and series setups to process at the same rate (within the precision of the instrumentation I was using). This assumes the pump is the limiting factor in...
  16. That entire DIY was taken from the mattatuck...

    That entire DIY was taken from the mattatuck design. They work awesome. His site is a great resource if you want to build your own and he has great maintenance info. ...
  17. Hey Bryan, email me at sales@therobucket.com. I...

    Hey Bryan, email me at sales@therobucket.com. I might be able to get you those rates. Thanks! Carl


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  18. Replies
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    55,230

    the aquatec 8852 will run off 24v AC or DC. We...

    the aquatec 8852 will run off 24v AC or DC. We sell pumps and transformers, I can get you a 5A 24v DC transformer. email me at sales@therobucket.com.
  19. Replies
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    That aquatec should draw 5’ vertical with...

    That aquatec should draw 5’ vertical with 3/8” od hose. At least it is working, that’s all that matters! You should be getting 4-5gph from 2-4% sugar if it’s working...
  20. I would follow the directions here. ...

    I would follow the directions here.


    https://www.therobucket.com/wp-content/uploads/2019/12/Instructions-for-flushing-an-improperly-maintained-RO-Bucket.pdf

    It’s possible if your...
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    RO Homemade System Problem?

    If you can’t get over 100psi by closing the concentrate valve, you have an air leak in the suction side or your pump isn’t working properly. Test pressure out of the filter housing with...
  22. Thread: RO bucket

    by carls47807
    Replies
    15
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    1,189

    Run 10 gallons of non chlorinated water through...

    Run 10 gallons of non chlorinated water through it to saturate the membranes.


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    There are a lot of variables in regards to syrup...

    There are a lot of variables in regards to syrup darkness. I have been batch processing sap to over 10% with RO buckets and still make the same syrup as everyone else (light early season, darker...
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    I think your parallel set up will work fine. You...

    I think your parallel set up will work fine. You still have the series membranes keeping your flow rate up. Your issue might be that you need to close the needle valve down too much to create the...
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    I have tested many configurations of these...

    I have tested many configurations of these systems for hundreds of hours and my conclusion is plumbing in series works the best in the long run. Ultimately, the flow rate of the pump is the deciding...
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