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Setting up a DWC. Question.

Discussion in 'Hydroponics / Aeroponics' started by BlueBerryMango, Nov 14, 2017.

  1.  
    BlueBerryMango

    BlueBerryMango Member

    Wanting to set up my storage containers for hydroponics, they are the thinner Rubbermaid storage container 20Gallon.

    I have placed a hole in the bottom of it to place a pvc valve on the end of it for quicker draining&filling ideally. However everything I've found for glue hasn't been holding even after 3-7 days of cure time. where if the valve twisted not that I want to twist it or even allow it to twist, Along with the edges of it starting to peel back and act as glue flaps and then there would be a small dripping from the bottom of the container.

    So is there a thing that can hold the pvc valve directly in place and and also create a 100% seal not leak, and then I can use for DWC?

    Or Have I Destroyed My Storage Container?

    How do you seal your PVC to your buckets for RDWC?
     
  2.  
    Airwalker16

    Airwalker16 Well-Known Member

  3.  
    rkymtnman

    rkymtnman Well-Known Member

    chuck that one and buy the 27 gal black/yellow ones. thicker walls. that thin wall crap will flex and leak when it's filled
     
    Budley Doright and JSB99 like this.
  4.  
    HydroRed

    HydroRed Well-Known Member


    They sell pvc bulkhead with union to do what you want to do. Just buy the size you need for the size pvc you are using. They make them in glue in and threaded.
    X2 on the upgrade to the 27G totes with the yellow checkered lids. They are super heavy duty and allow easy installation of bulkheads due to flat surfaces on the ends & they only run about $12.
    20160826_214121 - Copy.jpg
     
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  5.  
    BlueBerryMango

    BlueBerryMango Member

    Thanks.

    This isn't to build a RDWC, I just wanted to put a drainage thing in the bottom of the Rez to make water changing alittle quicker.
    The holes are about 19mm I can put a 3/4" pvc in it if I wanted

    But also I wanted to see how everyone puts these things together out of interest
     
    Last edited: Nov 15, 2017
  6.  
    HydroRed

    HydroRed Well-Known Member

    I wasnt showing it for the RDWC lol, but to show how I have a drain hose connected to a watertight bulkhead exactly how you are talking about.
    Nothing moves or twists. Your purpose is exactly what these are made for. Theres a gasket for the inside and for the outside.

    Inside
    20171115_131523 - Copy.jpg
    Outside
    20171115_131718 - Copy.jpg
     
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  7.  
    BlueBerryMango

    BlueBerryMango Member

    I didn't actually click on the picture but that's exactly what I Want to do.
     
  8.  
    BlueBerryMango

    BlueBerryMango Member

    So if I got these "lifeguard aquatic bulk head" it comes with gasket...maybe getting an extra gasket for the other side of the "res wall" just to make sure I do this correctly so I don't just spend money on this and end up not working.

    IMG_0681.JPG

    So just for safe measure, gasket for each side of wall, tighten and were good?

    The gasket will create the seal and I will then not need to worry about leaking or any of the sorts?
     
    HydroRed likes this.
  9.  
    rkymtnman

    rkymtnman Well-Known Member

    i think you missed the part where we said the thin wall totes suck. they flex too much when filled with water.
     
    Budley Doright, JSB99 and HydroRed like this.
  10.  
    HydroRed

    HydroRed Well-Known Member

    You got it. And as mentioned....ditch the tupperware and get the totes we mentioned. You dont want 20 gal of res water on your floor when the side bows and cracks.
     
    Budley Doright likes this.
  11.  
    JSB99

    JSB99 Well-Known Member

    And it's not like they're expensive, or anything! Cheap as the other totes. Get them at HD or Walmart.
     
    Budley Doright likes this.
  12.  
    JSB99

    JSB99 Well-Known Member

    You do not need a gasket on both sides! Only the male side, to keep water from leaking through the threads. Some people like to put them on both sides, but it's really only the male side that matters. That's why bulkheads come with a single gasket.
     
    Budley Doright likes this.
  13.  
    JSB99

    JSB99 Well-Known Member

    And, when they do flex, it's a bitch to snap the top on and keep it in place.
     
    Budley Doright likes this.
  14.  
    JSB99

    JSB99 Well-Known Member

    You don't need anything more than the bulkhead pictured. Don't waste your money on extra gaskets you don't need! Gasket on the male side and your good.
     
    Budley Doright likes this.
  15.  
    JSB99

    JSB99 Well-Known Member

    BTW, it doesn't matter if the male side is on the inside or outside of the tote. The only thing that matters is that the gasket is on the male side.
     
  16.  
    Hydro Girl

    Hydro Girl New Member

    Try using a grommet. I use these every day at work in a grow. Check out Screenshot_20171119-143923.png
     
    Purple veins, GBAUTO and JSB99 like this.
  17.  
    HydroRed

    HydroRed Well-Known Member

    Those are great for smaller applications like sight tubes on waterfarms etc. Im not sure if they would work well or if they sell those for pvc or larger than 5/8" applications?
     
    Budley Doright likes this.
  18.  
    JSB99

    JSB99 Well-Known Member

    HydroRed likes this.
  19.  
    HydroRed

    HydroRed Well-Known Member

    Nice find! I didnt know they came in those sizes. Still not sure if I'd trust anything larger than 3/4" considering the wall of the hole (and grommet) is still only so thick.
     
    Budley Doright likes this.
  20.  
    JSB99

    JSB99 Well-Known Member

    I'm going to go from my diy bulkheads w/aquarium-safe silicone, to Uniseals. Because I'm using 2 x totes rather than 4 x buckets, buying Uniseals got more affordable.

    Here's a five-pack for less then $20, which is all I would need for my setup:. 2" Uniseals
     

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