Waterfall and liner


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I'm gonna use a rubbermaid rectangular tub for a filter above my small fake preformed waterfall, I'm gonna have the pump hose running in from the top and a 8 , 10 in.? outlet pipe. How do I attach a liner to the tub under the outlet pipe? I'm using this until I'm finished with my bog garden.
 
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addy1

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I have used a piece of 2 inch pvc put into a hole saw made hole in the tub, you want double the out flow compared to the inflow. I seal around the pvc with the pl stuff. The pvc sticks out from the side of the tub and flows into the pond without the need for the liner to be attached to the tub. I do have some liner against the side of the tub just to catch back flow etc. I have used this method for three different tubs.
 

addy1

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Just a suggestion, have your incoming water come up from the bottom and the out flowing water leave at the top edge. You can use the pl stuff and a couple pieces of liner to seal the hole you made down low.

By doing this you are getting more filtering from the media in the tub. I made a mini bog type flow for my hot tub pond. Had the inflow come in at the bottom, the outflow from the upper edge. Filled it with kitty litter and plants. Kept the water in great shape over the summer.
 

addy1

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You could then bury part of the tub and have the outflow water fall onto your waterfall thing.
bogpl.JPG
 
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Do I need a pvc pipe for the intake? If so how do I attach the small pump hose? And what size intake. Do I use just the limp pump hose for the outtake?
 

addy1

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No the intake can be the line from your pump, the outflow should be double the size. Like a nice piece of pvc. One inch and two inch out.
 
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I did one like this....pipe goes in at the bottom, flows up through filter media weighed down with bricks, comes out pipe at the top that is twice the size of the one at the bottom. You can use clear silicone, it worked for me.....
20191119_084955.jpg
 

sissy

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tank adapters work also and have rubber gaskets to help seal inside and outside .I have reused mine for years and they are now on my stock tank filters .The rubber seals really do help secure it with no silicon
 
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sissy

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adapters come in all sizes and I even attach pvc and abs plumbing to mine
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