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Homemade Vacuum Filtering Device

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#1 o0AlKeMiSt0o



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Posted 19 June 2007 - 11:55 AM

We all now it is quite a test on patience to gravity-filter our extractions, having to wait for what it seems forever...

"If just I had a vacuum filtering deviceā€ you say to yourself. "But is so expensive..."

Well, here I will show you how to make your own vacuum-filtering device at a very affordable cost.

What you will need is:
  • Glass bottle (0.5 - 1 Liter)
  • A length of 8mm hose (1 meter)
  • Small plastic bottle
  • Glass drill bit (preferably diamond)
  • Cordless drill
  • A vacuum cleaner
The first thing we are going to build is the adaptor that will connect the hose with your vacuum cleaner.
Get a small plastic bottle (vitamin bottles are perfect) that will fit the handle of you vacuum cleaner and cut the bottom away.
Drill a 8mm hole on the top and fit the hose through it.

Now get your 8mm glass drill bit and drill a hole through your glass bottle.
In the example I am using a 1.14L bottle, but you can use whatever you fell happy with.
Drill the hole slowly. I do it under the water tap with enough water running to keep the bit and the glass cool.

When the job is done fit the hose through it and you are done!

If you want, you can use silicone to seal the hose, or wrap a bit of insulating tape around it to make a tight fit.

Check the pictures I have attached. You will find I have 2 devices myself: one for bulkier filtration and other for crystal filtration. It works great and will save you a lot of time.

Thanks for reading guys!

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Attached Thumbnails

  • in_action.jpg
  • 500ml.jpg
  • final.jpg
  • hose_fitted.jpg
  • hole_finished.jpg
  • adaptor_fitted.jpg
  • power_tool.jpg
  • materials.jpg
  • adaptor.jpg

#2 seymorebunz



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Posted 19 June 2007 - 02:28 PM


#3 Guest_Glasshopper_*

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Posted 19 June 2007 - 04:49 PM

Very nice work but.....
I would be very carefull using a vacuum cleaner with solvents or anything flamable, not all vacuums have sparkless or sealed motors.

A "wet/dry shop vac" has a sealed motor and I think would be safe.

#4 bugs


    Are we having fun yet?

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Posted 19 June 2007 - 06:03 PM

I don't know if it would have the ballz, but how about a breast pump? It has 2 vacuum inlets that could be teed together, and it's a LOT smaller and quieter than a vac. Probably relatively cheap on e-bay, too.

#5 Hippie3



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Posted 06 July 2007 - 07:32 PM


#6 Caljet666



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Posted 07 July 2007 - 07:19 AM

Thats cool.

Sometimes funnel shaped filters will tear under the vacuum. I once saw a buchner type filter made by drilling some small holes in a small plastic (PE) bowl and the bowl being glued to the top of a funnel. Just a thought.

#7 prankster239



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Posted 09 July 2007 - 01:48 PM

Cool idea :eusa_clap

#8 o0AlKeMiSt0o



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Posted 12 July 2007 - 03:02 PM

Thanks for your positive comments and constructive thoughts.

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