[Uncleskippy]

What material are you using for the membrane for the paint cup?

[Fishpocalypse]

Right now I am using a paper bag. I'm not getting the simmering effect as seen in the professional models, but it's letting air through evenly enough that I can still shake the cup and get a water like effect.

I've seen posts that other people are using common items like coffee filters and allergenic pillow cases. Some are ordering quality membranes, I'm not sure from where.

Good luck, let us know what works for you.

[jmullok]

I am using paper bags also. It seems to be working fine. I am looking for PVC lids so I can just leave the powder in the cups; been to Lowes and Home Depo but can't seem to find them. Any suggestions?

[kelly]

The pvc lids are called test caps. They are used in abs plumbing (drain pipe in your house). When the house is plumbed the caps are glued to the end of the pipe then air presher is added if there is any loss in presher the find the leak with sope. They work good and have a little handle on them. ask for abs test cap.

[kelly]

PS the paper bag is still the best thing I have used. Better than the pillow case and the coffee filter. However I have not tried the membrane material. The cost was to high.

[Basseducer]

Kelly,
I have a couple of the membrane filters that I replaced with paper. I'll send you one if you want to try it.

TJ

[kelly]

Sounds like you just answered that question of what one is better. Thank you but I will stick to my paper.

[thill]

Man, I should have looked here first!

I just read that a great fluid bed membrane is a piece of canvas with several layers of coffee filter on top.

Please understand that I'm just starting the process of building my own bed, so this is merely hearsay.

-TH