If you followed step 3 when cementing on bulkheads, align the holes in the top flange in a straight line with theair line pipe opening. Tangit is by far the best solvent weld cement for professional use. Gravity flow means we are plumbing the bottom drain to a pre-filtration unit and from the pre-filtration unit we are draining water with a pond pump and sending the water to filtration. Rubber Reducers These rubber connectors are the answer to many a Koi pond plumbing problem - simple reducers to bridge different pipe sizes without the need for glued joints and reducers - Very handy for both metric or imperial pipe sizes, will fit both standards. Originally Posted by Harveythekoi. These joints are heavy duty and very thick walled and will not deteriorate with age. Probably not much more than what the pump is sucking now.

If you have questions about the freight cost, please contact us. That's where the flow is actually strong enough to MOVE debris. I am still learning after 8yrs of backyard ponding and this is my second pond now. The weight of the tank will drive the tank into the base. I have no choice but to resist the temptation to join the Big Boys, as a retiree on a fixed income with kids in college This allows for less bottom cleaning, maintenance, and an easier time maintaining better water quality standards that can cause issues with pond fish.

As stated above, installing a main drain in an above ground pool on your own may not be the best idea as it takes some doing. And it would do a lot to help his pond!!! Since he said he doesn't do installs until April, I have time to research the project, get a backbone and get what I want at the price I want. Used on Most boats such as Drain Plug. Get it as tight as you want it now, because when the base is in place, it will be difficult to tighten it more.

Install the lower half of the bottom drain at the predetermined point in your pond, attaching it to the ABS elbow pipe with ABS glue available at plumbing supply and hardware stores, and home centers. Thank you for choosing the Worldwide Koi Club! Note this is a metric fitting which can easily be adapted to 1. But -- a bottom drain HAS to go somewhere, unless you just want to open it occasionally [for periodic partial water changes] and suck glop out on demand only. PVC Pressure pipe is the standard for all Koi plumbing work. Input pipe work from pump to filter which is under pressure should be minimum 1.