check valve

[hermit]

any ppl can show me where can i get those type of check valve for pvc pipe....

i need to install in my return pipe from the sump.............

if not DISASTER will come to my house again...............FLOOD...............

clean the water away for whole day......still feel sticky-sticky even when it dry.....

so helppppppppppp...................!

[terryansimon]

any decent hardware shop should have it.

[xiggie]

can recomend a decent hardware store which supplies this check valve .. coz all the ones i go to do not sell or just dunno what a check valve is ... sigh ~

[terryansimon]

I swear I saw some valves being sold at the hardware shop closest to where they sell all the birds and where the vets are at Serangoon North.

[Achilles Tang]

Sealife does sell them but very ex.

I got mine from the US but that meant I had to use Schedule 80 pipes.

[Achilles Tang]

Alternatively, you can drill a little hole just below water surface of the return outlet in your main tank so once the water level drops, there will be a break in the siphon.

A simple solution.

[hermit]

any ppl can show me where  can i get those type of check valve for pvc pipe....

i need to install in my return pipe from the sump.............

if not DISASTER will come to my house again...............FLOOD...............

clean the water away for whole day......still feel sticky-sticky even when it dry.....

so helppppppppppp...................!

u mean the hardware shop facing the main road...................

how much will it cost ??????

diameter how big or they sell in various sizes????????????

anyway thanks you ..........

[ai[k²]wan]

just place ur return pipe high up on the tank, with the end half submerged, very safe, im using it dat way.

[Achilles Tang]

Aikwan... I do that too... but find that it also causes some microbubbles/salt spray or perhaps my return is too strong...

[ai[k²]wan]

ya hate the micro bubbles.

[ah^siao]

the dril one is so far the easiest.. i'm using that way..

[jc85]

wan,Nov 13 2003, 06:10 PM] ya hate the micro bubbles.

I also have problem with those micro bubbles. Can advise how to remove them?

Thanks

[alanyeo]

yo, simple DIY can prevent water ###### back into sump. No need expensive valve and can prevent microbubbles/salt splash....

Continue to place return pipe below waterline. Drill small hole, insert one of those plastic or stainless airline holder onto PVC hole. Connect shortlength airline to water surface. At end of airline plug in a one-way air-valve. Make sure this valve is one-way (into water). Commonly available at shops selling airpump. Cannot remember how much but should be less than $3 for 1.

Air-valve prevents water from squirting out of airline. When reverse flow happens, air will be sucked in and cause break-off suction.

Do a little trial first, I had use this method before!

[hoppinghippos]

yo, simple DIY can prevent water ###### back into sump. No need expensive valve and can prevent microbubbles/salt splash....

Continue to place return pipe below waterline. Drill small hole, insert one of those plastic or stainless airline holder onto PVC hole. Connect shortlength airline to water surface. At end of airline plug in a one-way air-valve. Make sure this valve is one-way (into water). Commonly available at shops selling airpump. Cannot remember how much but should be less than $3 for 1.

Air-valve prevents water from squirting out of airline. When reverse flow happens, air will be sucked in and cause break-off suction.

Do a little trial first, I had use this method before!

Great tip alan!!!

[RockyBoy]

yo, simple DIY can prevent water ###### back into sump. No need expensive valve and can prevent microbubbles/salt splash....

Continue to place return pipe below waterline. Drill small hole, insert one of those plastic or stainless airline holder onto PVC hole. Connect shortlength airline to water surface. At end of airline plug in a one-way air-valve. Make sure this valve is one-way (into water). Commonly available at shops selling airpump. Cannot remember how much but should be less than $3 for 1.

Air-valve prevents water from squirting out of airline. When reverse flow happens, air will be sucked in and cause break-off suction.

Do a little trial first, I had use this method before!

Smart method....

Thanks..will do it right away..

[alanyeo]

Started my first marine tank bank in 1986. Back then it was like sacred rituals each time I bring home a coral or fish...pray pray it don't die tomorrow....Tried & tested baretank-change-water-every-2-days...undergravel...reverse undergravel...overflow...Berlin... eggcrate...algae srcubber...to DSB. Each methods has its pros & cons. A combination of some component seems ideal, that's why I'm now have a berlin refugium, and plus a home-made modified coil denitrator (only a week, still calibrating it).

I'm glad that today we can access tons of information easily over the net or books/magazines, and most important of all, share experiences with hobbyists. I kinda like D-I-Y and experimentation with new stuffs. Believe me it not only saves you lots of money, but also makes you proud that this piece of equipement you build/modified actually works.

If anyone is keen to experiment with DIY or have difficult questions, feel free to email me as I don't frequent this site. alanyeo2001@yahoo.com.sg

Happy fishkeeping to all,

Alan