WTB: small powerhead/pump

[Ne0eN]

Need a pump for a trickle auto-top off system. MaxiJet900 is way too powerful. Let me know what you got and how much you want?

 

Thanks!

 

-Rob

[ErikS]

Stick a valve inline? MJ's can deal with that for long periods of time - just to tide you over. Home Depot/Lowes has some quick connects up to 1/2 dia.

[Ne0eN]

Stick a valve inline? MJ's can deal with that for long periods of time - just to tide you over. Home Depot/Lowes has some quick connects up to 1/2 dia.

49786[/snapback]

 

Hmm... Not a bad idea! :77:

 

-Rob

[magnetic1]

neon... Ive got one of those "powersweep" powerheads... you can have it free or a donation of small frag

[flowerseller]

How far up are you pushing the water?

I use a Rainbow Lifegard Quiet One 1200 which pumps about 300gph @ 6' .

I like it and it pushes the water fine enough to gentley mix also.

[Ne0eN]

How far up are you pushing the water?

I use a  Rainbow Lifegard Quiet One 1200 which pumps about 300gph @ 6' .

I like it and it pushes the water fine enough to gentley mix also.

49830[/snapback]

 

Not far at all - about 24" - from the RO/DI bucket to the reactor and than down 10" into the sump. I'm currently using Rio 600 with a little valve cranked almost all the way down.

 

I still need to seal the top of the reactor. What should I use? Weldon4?

 

-Rob

[ErikS]

What should I use? Weldon4?

#16 - this can be used to fill the joint/seam.

[xeon]

#16 - this can be used to fill the joint/seam.

49834[/snapback]

I concur, #16 is kind of a cement as opposed to an outright solvent like #3, #4 and #5. The #16 is a mixture of solvent with acrylic chips essentially. The solvent reacts with the acrylic and evaporates away leaving the acrylic within the #16 behind. In a pinch you can take acrylic shavings and mix them with solvent to fix cracks, gaps and etc.

 

What exactly are you sealing... I'm assuming a crack?

[Ne0eN]

What exactly are you sealing... I'm assuming a crack?

49837[/snapback]

 

It appears that the top seam of the reactor didn't bond properly, as I'm seeing air bubbles entering when the feeding pump turns off. Subsequently, Kalkwasser from the reactor syphons back into my RO/DI supply bucket. Not a big deal, but I do want that seam sealed.

 

-Rob

[ErikS]

Hmmmm.........

 

A siphon back to the supply bucket will happen if the Kalk reactor it is taller than the bucket (and from the pics I assume it is). A check valve between the pump & the reactor will solve this problem.

 

And........are you sure the air is coming from a leak? If the unit siphons back to the supply bucket & the other end is open then is will suck air back through the line into the reactor.

 

#1 - Water seeks it's own level

#2 - Nature abhors a vacum

 

They seem so simple but they sure do bite us in the arse often in this hobby.

 

Good news is that if it's sucking air from the open end then you'll not need to fix any leaks in the reactor :D

 

Easy test - trigger the pump, let a bit of water run, put your finger over the end (with pump off) = no air in the unit = no leak.

[flowerseller]

Call my house one evening, you can run over and I'll seal it up for you.

You don't want air in the mixing chamber. (or a leak)

 

One word of caution: if you seal the leak in the reactor, you then may start a siphon.

As it is now, the leak is braking that siphon.

[Ne0eN]

#16 - this can be used to fill the joint/seam.

49834[/snapback]

 

Where do you buy Weldon16? I've tried Home Depot, Michael's, another local hardware store... So far no luck.

 

-Rob

[victorh]

I bought mine at the koi fish place we just had the social meet at. I've never seen it anywhere else except online.