What a mess, why faucet style attachment siphon won't work as intended.

Eupterus

Eupterus

The one who takes a different path.
Jul 22, 2007
1,131
1
0
31 Spooner St. Quahog, RI.
I have a Lees gravel vac that attaches to faucets. The problem is, when it's attached to the faucet, the siphon doesn't work. As soon as the tubing falls on the floor, the siphon starts up. So each time it falls on the floor, I have a small river going.
So water changes have become very messy, since most of it is mopping water off the floor. As soon as I put the tubing back where it's supposed to be so it can siphon into the sink, the siphon stops working again.
Why doesn't it work as intended?. I'm starting to wonder if this is really an improvement over carting buckets.
I used to have this Lees siphon with my boarded tanks and it worked draining into the sink there.
Then I got a longer Python siphon and brought the shorter Lees siphon here.
 
Whats the distance from the sink to the tanks and the length of hose involved. Mostlikely, the water pressure at the tap you are using is to low to draw water from the tan do to distance, height and head loss.
 
ok siphon only works if the outlet is lower than the source so if your sink is higher than the tank, cut the sink on and the water going through will actualy pull water from the tank. as for leaky parts try new washers and hoseclamps from the hardware store. hope this helps. i have a similar problem but its this crazy faucet not the rest of the stuff..lol.
Beaux
 
The Python fitting to the faucet which I ensure is snug always works for starting the siphon on my hose to tank which I secure at the tank using the tank lid to trap the hose end sprayer from backing out.

Once the Python fitting starts the siphon I pinch the hose, shut the water off and disconnect the hose and place it in the bathtub which is lower and it siphons on its own.

But if the hose looses siphon becasue it fall out of the aquarium to the floor the siphon is lost and I must place the hose back in the tank and reconnect the other end to the Python to restart the siphon by getting all the air out of the line. Once started I move the hose again to the tube.

This method works no matter how long the hose is as long as you don't brake siphon by allowing any air at the suction side to enter the hose either from the end or from any loose fittings or connections along the line. Once air enters hydraulic lock occurs and siphon stops.
 
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