Help with bubbles coming down my drain line

[bambo]

Good morning all. I have just set up my new system and started cycling " 100G". i have noticed a large amount of bubbles coming down my drain lines into my sump which are popping and causing salt creep over the back side of my sump. are there any good solutions to this? my drain lines are 1” flex tubing. i am running 2 axis 40 pumps and i had them set to 50%, but i turned them down to 37% to try and help. Please help.

 

[theMeat]

Do you have one, two, or three drain lines?

 

[bambo]

Do you have one, two, or three drain lines?

2 and they are actually 1”

 

[KStatefan]

Assuming you have them set up as a herbie.
Is the air getting into the primary or the emergency?

 

[bambo]

Assuming you have them set up as a herbie.
Is the air getting into the primary or the emergency?

I don’t have an emergency. I have two primary drains.

 

[bambo]

I used the Tideline drain kit

 

[bambo]

Like this

 

[KStatefan]

It will be hard to keep the air out of two open drains.

Why not set it up as a herbie?

 

[bambo]

It will be hard to keep the air out of two open drains.

Why not set it up as a herbie?

This is just what came with my tank

 

[jsmkmavity]

Would a piece of mesh at the surface with holes for the 2 pipes stop the "splash" from bubbles popping?
i assume the pipes terminate below water level in the sump?

 

[bambo]

Would a piece of mesh at the surface with holes for the 2 pipes stop the "splash" from bubbles popping?
i assume the pipes terminate below water level in the sump?

Yes, the pipes terminate below the water level in the sump and as far as the mesh goes, I’m not sure I thought about putting a piece of plexiglass there, but I was hoping just to eliminate the bubble issue altogether. Surely someone has dealt with this before.

 

[theMeat]

2 and they are actually 1”

Does one of the drain lines have a valve on it?

 

[bambo]

No

 

[jsmkmavity]

I think the ones who dont have bubbles are siphon draining down 1 pipe only (which is faster than just gravity) and adjusting the return flow to balance. I dont have that myself so i cant give more details than that.

 

[theMeat]

I think the ones who dont have bubbles are siphon draining down 1 pipe only (which is faster than just gravity) and adjusting the return flow to balance. I dont have that myself so i cant give more details than that.

Close guess

 

[theMeat]

I think the ones who dont have bubbles are siphon draining down 1 pipe only (which is faster than just gravity) and adjusting the return flow to balance. I dont have that myself so i cant give more details than that.

Since op has two drains Op should run herbie style drain. The way it works …
-the primary drain is lower in the overflow box and has a valve on it. This is full siphon, no air going down the pipe. Dead silent with no bubbles
-the secondary drain is higher in the overflow box and has no valve on it. The secondary only takes a small amount of water down its pipe, with air, and because of that will be quiet with minimal bubbles.
The valve on the primary is used to get enough flow down the primary so that just a little goes down the secondary.
A video can explain it much better than my words, but that’s it in a nutshell

 

[bambo]

Since op has two drains Op should run herbie style drain. The way it works …
-the primary drain is lower in the overflow box and has a valve on it. This is full siphon, no air going down the pipe. Dead silent with no bubbles
-the secondary drain is higher in the overflow box and has no valve on it. The secondary only takes a small amount of water down its pipe, with air, and because of that will be quiet with minimal bubbles.
The valve on the primary is used to get enough flow down the primary so that just a little goes down the secondary.
A video can explain it much better than my words, but that’s it in a nutshell

Hmm so either deal with the bubbles or replumb my drains?

 

[theMeat]

Hmm so either deal with the bubbles or replumb my drains?

Easy to add a valve. Easier to slip a couple of pieces of pipe into bulkhead inside overflow box.
Trust me, once you go full siphon you won’t go back. Dead silence is wonderful

 

[bambo]

Easy to add a valve. Easier to slip a couple of pieces of pipe into bulkhead inside overflow box.
Trust me, once you go full siphon you won’t go back. Dead silence is wonderful

All my pipe is glued into the bulkhead

 

[theMeat]

All my pipe is glued into the bulkhead

Get your hands on a pvc cutter. Cut the pipe, glue in a valve, done.
Inside the overflow box you have pipes glued in?