Project Underground Jet System under way

[seamus]

I used silicone to stick sand to my jets and it works very well. FWIW i ended up taking mine off and putting on new ones that I painted with a sand colored paint. The sand on the jets became discolored and unsightly and I keep an extremely clean tank.

Here was one of the jets when it was new.

 

[ozpkchris]

this is being feed via the return from the sump correct
if so, how a re you prepared for power outages, do you have siphon brakes up top and if so do you loose a lot of flow through the siphon brakes

 

[LowCel]

I will have small holes drilled to act as siphon breaks at the top. The holes should not have too much effect on the pressure.

 

[Pharaoh]

Is there any certain type of epoxy I would need to use?

Just use window and door silicone found at any hardware store for about $30. Smear it on the PVC, roll the PVC in sand and let dry for a day or so. Very easy and not as hard to remove as epoxy.

 

[LowCel]

Isn't that the same silicon that I bought for $4 a tube to build my sump?

 

[Pharaoh]

Yes sir!

 

[ozpkchris]

dye it black

 

[LowCel]

I ended up painting the jets a color close to the color of the sand. They don't look too bad in there. I painted the down tubes in the back black, they are barely noticable.

I also decided that I am going to do a closed loop on this system. It is already doing pretty well but I think it can do a lot better. I decided to order a new "little" pump to power just the ugj system. I'm just hoping the fish will still be able to swim!!!

The pump should be here early next week.

 

[invisyblegypsey]

add a ballvavle to the discharge side of the pump for flow control

 

[LowCel]

add a ballvavle to the discharge side of the pump for flow control

Absolutely, probably two of them. One for each of the two seperate ugj systems.