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Is an overflow for my pond hard to install? | Decorative Ponds & Water Gardens Q&A

Is an overflow for my pond hard to install?

Is an overflow for my pond hard to install?
Brynn – Baton Rouge, LA

You can blame it on El Nino or point the finger at global warming. Perhaps you have another explanation, or maybe there’s none at all. But just between you and me – doesn’t it seem like rain storms have become more intense in recent years?

A sudden volume of rain can cause ponds, without an overflow, to flood. While this won’t do any damage to your pond, installation of an overflow will save you some time and effort either pumping out the excess water or dealing with a sullied shoreline when the water eventually recedes.

An overflow is simply a means by which excess water is drained from your pond. The easiest way to install one is to drill a hole into the side of your skimmer. Make sure the hole is near the top so you don’t drain your pond too low. Attach a leak proof Bulk Head to the hole (they come in sizes from ¾” to 4” in diameter), which provides a female thread on both sides of the seal. Twist in the proper-sized Male Adapter that will allow you to seamlessly connect whatever length of heavy duty Kink Free Tubing you need to run from your pond to a drainage ditch (for aesthetic reasons, we suggest you bury the tubing). The interior of our Kink Free Tubing is smooth to minimize friction and the material is flexible and will not crack if water is left inside during the cold winter months. We also guarantee that the tubing will be kink-free.

So, consider doing a little preventive overflow work on a sunny day, to save yourself the aggravation and worry when the rains come – and the water rises.

Pond Talk: Do you have an overflow set up in your pond?

Kink Free Tubing

How Do I Know What Tubing Size to Use? – Water Garden Q & A

Flex PVC Tubing

Q: How do I know what tubing size to use? I want to increase the water to my waterfall from 1,500 gph (gallon per hour) to almost 4,000 gph. I currently have 1″ tubing will this work? – Matt of Vermont

A: No. Your pump and tubing are currently sized correctly, but if you increase the water flow to 4,000 gph you will need to increase the tubing to see the benefits of your new pump. I would guess that you would not see more than 2,000 gph if you leave the 1″ tubing. When using a 4,000 gph pump, the proper tubing size to use would be 2″. A good way to think about tubing size is to imagine drinking from a straw. If you were to try to drink a glass of water with a cocktail straw it would take much longer than if you were to drink that same glass of water from a standard size straw. Over the years we have developed a chart to help our customer’s size their tubing. Please see below. To see our selection of plumbing and accessories, click here.

Up to 500 GPH: Use 1/2″ Tubing
Up to 900 GPH: Use 3/4″ Tubing
Up to 1,500 GPH: Use 1″ Tubing
Up to 2,700 GPH: Use 1-1/4″ Tubing

Up to 3,600 GPH: Use 1-1/2″ Tubing
Up to 5,400 GPH: Use 2″ Tubing
Up to 13,500 GPH: Use 3″ Tubing
Up to 21,000 GPH: Use 4″ Tubing
Up to 42,000 GPH: Use 6″ Tubing

Plumbing Tip: Try to avoid 90 degree turns for this will cause friction slowing down and reducing your water flow. We always recommend flexible PVC to avoid connections that can not only leak but cause friction loss reducing your water flow.

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