Bottom Re-Circulation Drains for Koi Ponds and Water Gardens

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Bottom Re-Circulation Drains, Water Pickups and Strainers

For ponds over 500 gallons we will almost always recommend an external pump. When using an external pump, however, you will need a way to get the water out of the pond and to the pump. Bottom drains that are installed into the liner are the most efficient types of water pickups you can install. A vacuum type drain is the next best thing then a straining basket on the end of flex hose.

When choosing the right bottom drain for your system you must keep several things in mind. Are your fish so small that they can be sucked down the drain? Can you install the drain into the liner or does it need to sit on top? Are you comfortable (with illustrated instructions and personal guidance) with installing a drain into the liner? (It sounds harder than what it is, by the way...)

To get more information on bottom drains for a garden pond, visit The Pond Doc's Pond Construction Education Center. Here are a few articles that should be of help to you also:

	Read Up! These articles contain information about bottom drain usage and installation methods. Singing the Praise of the External Pump The Doc's Dream System -- A Construction Guide to Backyard Ponds Pond Planning Pitfalls & Problems RetroFit Your Pond for Fish
*Read More Articles at What's Up, Doc?, The Pond Doc's Online Newsletter*

Bottom Re-circulation Drains / Strainers / Waterproof Adhesives

Bottom Re-circulation Drains
The use of bottom re-circulation drains in your pond will help your pond design become more maintenance-free. Bottom re-circulation drains cannot be used with submersible pumps.

2" Bottom Drain with Anti-Vortex Cover
This unit comes with an anti-vortex cover for the safety of your fish. Made of PVC - PVC fittings must be used along with drain.

Can you use a tube of E-6000 to Waterproof your Drain? Click HERE.

Drain200

$ 79.95

3" Bottom Drain
Excellent drain for pulling leaves and other debris through the system. Wide opening can suck small fish in. To be used in systems that house fish larger than 7". Is installed using PVC

Can you use a tube of E-6000 to Waterproof your Drain? Click HERE.

Drain300

$ 95.99

2" Inverted Vacuum Bottom Drain
Used to retrofit existing ponds and where conventional bottom drains cannot be installed. A protective basket is available to protect fish from being sucked into it. It has 2" connection for flex hose.

InvDrain

$ 79.95

Strainers & Strainer Assemblies
One of the easiest retrofit items to use when switching from a submersible pump to an external in an existing pond is by attaching a strainer to the end of flex hose.

Strainer Baskets Pull water from the pond through this strainer to keep large debris from clogging up the intake of your external pump. Easily screws onto a male threaded PVC fitting. Can also be used in salt water.
	1 1/2"	Strain112	$ 13.95
	2"	Strain200	$ 19.95
	3"	Strain300	$ 29.95

Custom Strainer Assemblies
Allow us to do the work! In most applications when you pull water from the pond you need a check valve to prevent water from flowing back into the pond from the pump when the pump is turned off. These assemblies are designed to to slip easily onto the end of the most common sizes of flex hose and already have the check valve attached. All you have to do is slip it on and tighten down the metal clamp.

Strainer Assembly Complete assembly to pull water from the pond to an external pump while preventing back flow problems. Assembly includes strainer cap, check valve, flex hose connection and stainless steel clamp, everything you need to quickly and easily attach the strainer to your flex hose.
	1 1/2" Strainer Assembly - (attaches to 1 1/2" flex hose)	StrainEZ112	$49.95
	2" Strainer Assembly - (attaches to 2" flex hose)	StrainEZ200	$69.95

Waterproof Adhesives / Glues
Adhesives and Glues for Use with PVC Plumbing and Liner Repair

E6000 Waterproof Adhesive
Use with many of our PVC fittings, including bottom drains. We also use this adhesive to waterproof around the edges of a repair patch on pond liner.

SP220011

$ 8.95 / tube

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