Sump Overflow Help Please !!!
- Thread starter ash9965
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You don't need to. My bulkhead and standpipe are both 1" and it's been trouble free and quiet for over 13 years now. I have tried other standpipes but always come back to my Stockman. You might Google Maggie Muffler for a ready made version of the Stockman if you are not comfortable with assembling one yourself.
BigMike81
Active Member
I had this same exact problem when I got into the hobby. I called my fish store guy anf walked me thru it over the phone. The first thing he had me do was add water. I know thatsounds like the last thing in the world you want to do but I just trusted the fish guy and that partially solved my problem. If your pump is off, by the time the water stops draining down, it should fill the sump to about 3 to 3 1/2" from the top of the sump. The next thing he had me check was the position of the overflow box. I had to tip the front edge down, that way the water in the tank starts draining sooner and just make sure that you have a couple inches to play with and have been great ever since. I know right now everything seems scare, but trust the guys hear on the forum and try giving the guy you bought the tank from to see what worked for him.
Install a ball valve on the discharge side of the pump and close it down some to add head and reduce the flow. Won't hurt the pump a bit.
Once you have the valve you can play with the position to get the standpipe and pump matched up.
Once you have the valve you can play with the position to get the standpipe and pump matched up.
Just a threaded 1" PVC ball valve from Lowe's or home depot. Install it right on the pump outlet or close to it.
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ash9965
Well-Known Member
in the bottom of the tank where the 1 inch bulk head comes out there is a reducer going in to a 1/2 hose that drains in the sump if I removed this and went straight 1 inch to sump maybe that would correct my problem ?
Absolutely, that is a huge restriction on the gravity overflow side and will cut the flow a lot.
The standpipe should be just slightly shorter than the teeth on the overflow box. If it's much shorter you get noise from water crashing over the overflow and teeth and falling down to the standpipe intake.
Something that works pretty good if you have room in the box is what landscapers call a telescope or repair coupling. It is an adjustable piece that expands and contracts in length so you can raise or lower the intake to fine tune how it works and sounds. Couple of $$ at Lowes and HD.
Something that works pretty good if you have room in the box is what landscapers call a telescope or repair coupling. It is an adjustable piece that expands and contracts in length so you can raise or lower the intake to fine tune how it works and sounds. Couple of $$ at Lowes and HD.
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ash9965
Well-Known Member
good idea the current pipe is exactly 24 inches i think it just needs to come down slightly maybe I could just move the rubber washer down a bit and drill some lower holes
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ash9965
Well-Known Member
so here is a question with a pump that is rated at 850 GPH will a 1 inch drain hose be big enough to allow that much flow through I have read somewhere that gravity fed hoses can only allow so much gph depending on size/
Yes set up properly it will. I am running a WaterBlaster HY5000 rated at 1300 gph unrestricted with a 1" Stockman standpipe. Before that it was an Oceanrunner 3500 rated at 900 and have never had any issues. From sump level to display level is only about 3.5 feet so not much headloss.
Having a valve on the pump discharge is always smart though if you need to slow the flow for any reason.
Having a valve on the pump discharge is always smart though if you need to slow the flow for any reason.
ReeferBob
Valuable Member
If you are going to use a hose, you need a slip to barbed fitting. Most of those fittings will size down your opening a bit. You could use flexible PVC and not lose so much volume though.
