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Hi n good day to all.

Juz setup my piping job over the weekend. My tank is 5x2x2.5 n sump (sit below my tank) is 4x1.5.1.5.

Overflow chamber in tank is 10"x6" with a 25mm drain hole n 20mm return hole. Pump used for return is Eheim 1060.

I set-up the Durso pipe with about 2mm hole in end-cap. The 1st trial was water suckin at El(h) pipe mouth. so I enlarge the hole abit.

Now, the water in the chamber jump up n down. Accdly to Durso DIY article, this is due to the pipe in the sump is too deep - so I cut it to about 1.5" in water. No difference in the jumping water in chamber.

I have a control valve in the drain pipe, so I tried to close up the hole abit - now the jumping (up down about 2") is slower n quite constant at the middle of the El (h).

My question is that now the Durso is more quiet but I am having alot of noise caused by the bubble n rushing water at the tip of the pipe into the sump. How to make the whole system more quiet?

Is my pump Ok for the flow?.

Appreicate your reply n thanks.

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  • SRC Member

hi ..... mine system is kinda similar to yours but i am using eheim 1262 ...... also, when i just started, the splashing sound was wonderful, but in the middle of the night, it was not so ... somehow, i used bioballs to fill up the chamber and the sound was reduced significantly!

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Thank you. bio balls only for that section to reduce the flashing. Is that what you meant? I did not put anything in that portion of the sump. What about those wool filter pad?

I m also looking at eheim 1262 (which is 900GPH) n wonder would it be too strong for it?

Did u try or used split end return on your return pipe (that means on the return line, u use a T to split the water into 2 directions). That was my initiate setup but tear down because found water flow like no impact. What about if used it with 1262? Your opinion please. Thanks.

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yes, bioballs are only meant for the chamber ....

my 1262 is fine with me right now as the returned water also plays a part in water movement ..

as for the wool, well, i place it where the water directly overflows in the sump .... or rather where the PVC pipes lead to ... in terms of maintenance, i only replace them 2 wks at a time ... and the bigger particles are aleady filtered by the bioballs, so occasionally i would just remove them for cleaning .... but u would be surrpised by the colour of the wool after sometime ... PM me if u wanna some photos

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  • SRC Member

hi member, i am using the same system like yours, but i am using a but i am not using the eheim pump, it abit too expensive for me, instead i used the oceanfree 3200L. As for my chamber i am using Bio ball too, but i add a green netting covering over the outlet hole, so to reduce the draining sound, IMO it quiet effective, try it out.

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Hi n good day to all.

Juz setup my piping job over the weekend.  My tank is 5x2x2.5 n sump (sit below my tank)  is 4x1.5.1.5.

Overflow chamber in tank is 10"x6" with a 25mm drain hole n 20mm return hole. Pump used for return is Eheim 1060.

I set-up the Durso pipe with about 2mm hole in end-cap.  The 1st trial was water suckin at El(h) pipe mouth.  so I enlarge the hole abit. 

Now, the water in the chamber jump up n down.  Accdly to Durso DIY article, this is due to the pipe in the sump is too deep - so I cut it to about 1.5" in water. No difference in the jumping water in chamber.

I have a control valve in the drain pipe, so I tried to close up the hole abit - now the jumping (up down about 2") is slower n quite constant at the middle of the El (h).

My question is that now the Durso is more quiet but I am having alot of noise caused by the bubble n rushing water at the tip of the pipe into the sump.  How to make the whole system more quiet?

Is my pump Ok for the flow?. 

Appreicate your reply n thanks.

IMO , u could seal up the 2mm hole with some form of tape n use a needle to poke a pin size hole in the tape n see the result in the OF tower ... enlarge the hole till u have a constant level in the OF tower ....

:rolleyes: It may work

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