Automatic Mechanical Filter

Ok I'll bite the bullet on shipping. Do you know if there is a way to cut down the rolls to size? I need 9" wide. If it's easy then I could even buy the 18" roll and cut in half for two rolls. This would set me up!



It would be similar to trying to cut a roll of those blue shop towels, so I doubt you'd get a clean cut trying to cut the full roll in half.

If you pull off 15-20 feet you could easily cut a single layer with scissors, though the end result will depend on how well you can cut down the middle.


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I don't but I do have a very fine tooth dovetail handsaw. I could get 3 100 yard rolls out of a large one but I'd be screwed I'd it doesn't cut down. They have an 80 micron roll which should work well. Thoughts ?



I think it should work fine, but I'm not sure. You could use large bread knife as well- the kind with the smooth serrations



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Thanks guys. I've ordered a 100 yard, 80 micron, 28" roll which I will cut down to 3. I've also got some supplies and will start moding the sump tomorrow! Can't wait to say bye to filter socks. This is the one area of my system that is not automated and I slack on.... Like big time.
 
Thanks guys. I've ordered a 100 yard, 80 micron, 28" roll which I will cut down to 3. I've also got some supplies and will start moding the sump tomorrow! Can't wait to say bye to filter socks. This is the one area of my system that is not automated and I slack on.... Like big time.



Sweet! Good luck. You might also try asking the eBay seller how he cuts his- or ask him if he will cut it for you. He is clearly cutting larger rolls down, so he must have a good way


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Sweet! Good luck. You might also try asking the eBay seller how he cuts his- or ask him if he will cut it for you. He is clearly cutting larger rolls down, so he must have a good way


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Great news! The seller is going to cut it for me. So far, he's awesome to deal with. Seller is preconfilter for anyone who's interested
 
My roller filter has been running for a few months now it might be the best piece of equipment on the system now, just a few suggestions I have learned make a adjustable float , they do such a great job in removing ditrus it becomes a good way to control nutrient level buy the dwell time in the water.second mine needed a way to diffuse the water some so it wasn't directly hitting the filter media, I use a cheap Chinese dc 3rpm motor directly threw the float switch and small dcpower adapter, I used the felt from Walmart and cut and sewed it , should last all year on 40.00$
 
My roller mat
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Awesome- did he happen to tell you how he does it?


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One suggestion is to wet the roll and freeze it , cut with a bandsaw. Just my thaught, I've cut rolls of paper on my chop saw before.

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Ken
Would you mind showing or explaining to us how you attached the idler pulley to the pvc pipe?
I couldnt get my gears to work so was thinking about using belts like you did.
 
I printed plastic hubs, but a hole saw would work, I used epoxy to glue them in, I used all thread for shaft, tapped out the plastic hubs, I'm sure wood would be fine, I later went to the belt drive
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I built a couple of these last year. Mine are more copies of the Roller Mat, using the drum design but I found this motor / worm gear on eBay for under $10. They have a 2 rpm option, which is nice and slow, ideal for this application. Also, they fit nicely in a 100 mm X 50mm X 68mm water proof box.



Where did you get that box from?
 
This is now on my weekend to do list.
A few more mods, added the pvc to discharge to help soften the blow to filter media and it also stretches the water more evenly across filter media, also changed direction of roller take up and speed,
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New modifications working great, I believe the next mod is to add a few recirculation skimmer pumps to it , draw from under and pump the foam into filter chamber, should work great, might be costly but I see a superb filter in the works..

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