Pump and filter selection

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Took a long time but I finally finished the pond bridge.

View attachment 159495

View attachment 159496

I am ready to fill the pond, add plants and fish...once I get a new pump.

Any suggestion for a pond pump?

My pond is 1600 gallons in volume, the return line runs 25' from the pump to the pond, then travels up 7 feet to the top of the boulder for the water feature. I have a dedicated 120V 20A circuit for the pump.

I think I need a pump that is self priming.

I don't know if I should get one with variable speeds.

Or should I need one with a prefilter basket.
Don't add important/expensive fish to a new pond that hasn't cycled! Get some sacrificial fish that are cheap. They will probably die. Feeder goldfish will get it done. Once it's cycled, then you buy your "nice fish".
 
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Don't add important/expensive fish to a new pond that hasn't cycled! Get some sacrificial fish that are cheap. They will probably die. Feeder goldfish will get it done. Once it's cycled, then you buy your "nice fish".
Thanks for the tip! I will make sure not to get the more expensive fish until the pond is established.

I assume I should get the pond filled, the pump working, the lillies and other plants added, before I add the fish. The only thing is, there will be thousands of tadpoles by then.

Right now every time it rains the pond gets half filled, and if I don't pump the water out then I get tadpoles the next day. The frogs/toads are going in there to lay eggs every day.

I also see more kills with the pond with clear water. I saw a full size crabs being taken apart the other day, and frogs being ripped in two or three pieces and left floating on the water. I think it's a raccoon roaming around that is doing all these kills. If they can get to the frogs and crabs may be they can kill fish too?
 

j.w

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Thanks for the tip! I will make sure not to get the more expensive fish until the pond is established.

I assume I should get the pond filled, the pump working, the lillies and other plants added, before I add the fish. The only thing is, there will be thousands of tadpoles by then.

Right now every time it rains the pond gets half filled, and if I don't pump the water out then I get tadpoles the next day. The frogs/toads are going in there to lay eggs every day.

I also see more kills with the pond with clear water. I saw a full size crabs being taken apart the other day, and frogs being ripped in two or three pieces and left floating on the water. I think it's a raccoon roaming around that is doing all these kills. If they can get to the frogs and crabs may be they can kill fish too?
Tadpoles are fun and they won't be in there forever. Once you add the fish, next year the fish will eat a lot of the tad eggs. Oh if the raccoons can get to your fish easy, they will eat them! Make hiding places for the fish, like black tubes laying on the bottom the fish can fit into and other things like caves etc. I would try to prevent the raccoons from entering the pond tho as they can really make a mess in there. I had to resort to a short wire fence and netting attached to that from above. Works for me now just fine!
 
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Sequence pump, priming pot, check valve.
I am looking at Sequence pumps. The different model numbers kind of confused me. I have a relatively small pond (1600 gallons), is there a good basic Sequence pump for this size?

Additional questions:

(1) These pumps come with a cord ending with a plug. I have the traditional hardwired setup where there is an analog Intermatic timer that the old pump was wired into. Do these pump come with a hardwired version, or do I need to cut the plug off and hardwire that? Or do I need to wire a GFCI receptacle next to the timer for the pump to be plugged into?

(2) It seems if I want a strainer basket, I would have to buy a matching one from Sequence. Is a strainer basket the same thing as a priming pot? I see they have strainer baskets for Sequence 1000, so are some strainer baskets only for certain pumps? Or are strainer baskets "universal" as long as the inlet/outlet connections are compatible? Will a mixed brand work? Can I use a Sequence 1000 strainer basket on a ES8500 Evolution VS pump?

(3) How important is having variable speeds
 
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Sequence 750 would be a good choice. Get a priming pot with unions that are the same size as your pumps intake port. You will also need a flapper type check valve on the intake to keep the system full of water (primed)
Some have a cord, not a big job to install a cord, there is a schematic on the pump and most can be wired either 120V or 220V.
Match the priming pot to your intake size.
I don't use variable speeds, but I do use ball valves to regulate the flow to different areas.
 

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