223 Woodcliff Ave.
Woodcliff Lake, NJ 07677
TEL: (201) 573-1515
FAX: (201) 573-0437
galaxy@bellatlantic.net
Bottom Drain Inlet to PondSweep® Skimmer
Use a pond bottom drain inlet to the skimmer:
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Any time the pond is 3-feet or deeper
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Any time the pond will not have gravel on the liner
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Any time you want the ultimate in pond cleaning, such as when keeping koi. The bottom inlet creates a DUAL-FLOW filter box, skimming the TOP of the pond and pulling water from the BOTTOM of the pond...simultaneously.
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If you will use underwater lights, the bottom inlet helps remove suspended debris that the underwater lights would otherwise light up at night.
Here's how it works:
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The pump in the PondSweep® skimmer creates a lower water level in the skimmer box.
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As a result water rushes into the box from the pond over the bellows weir door, creating a skimming action on the pond's surface water.
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Since water seeks its own level, the bottom drain can be positioned anywhere in the pond from top to bottom, and water will enter the inlet to help fill the skimmer, i.e. "seek its own level".
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Another analogy- think of the bottom drain line as part of a "U-shaped" tube. Water is poured into the "U" on the left side (the pond side) and it immediately rises on the right side of the "U" (the skimmer box side) to equalize the water level on both sides of the U-shaped tube.
Tetra Bottom Drain
The regular Tetra bottom drain assembly does make a hole through the bottom of the liner thereby providing an easy method to drain the pond.
| Item | Wt. | Part No. |
| Tetra bottom drain | 10 lb. | Tbottomdrain |
Tetra Vacuum Drain
The Tetra Vacuum drain does not require a hole in the liner. It is designed for bare bottom koi ponds and for bottom drain retrofits.
| Item | Wt. | Part No. |
| Tetra vacuum drain | 10 lb. | Tvacuumdrain |
Winter
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