Low volume, high pressure pump

[Captain Quirk]

I need a high pressure pump for my auto topoff. The head will be about 15 feet, traveling about 100 feet total.

This will go on quite frequently, probably for every 2-3 gallons that evaporate from my tank (a 210, with probably a 60 gallon sump, using evaporative cooling).

I see the eheims, and I'm thinking MAYBE the 1262. I want to run as small a line as possible, though, and low flow (1/4, 3/8 or - if I have to - 1/2 inch).

I'd do something like an aqualifter, honestly, but I'm pretty worried about reliability and intermittent use. Also, I don't think the head will go that high - at least for long (I think it's rated at, what, 3 feet?).

Thoughts, anyone? Am I just looking at a parastolic dosing pump?

Thanks...

 

[bromion]

The Quiet One 4000HH can do 13ft, a bit short. There are a few other high head pumps out there. You could also pump in two stages, with a secondary reservoir somewhere mid-height or even right next to the sump. Use a big pump to fill that smaller top-off container, and a very small pump (or gravity) to top-off the sump.

 

[dattack]

Probably need litermeter.

 

[Captain Quirk]

Yeah, I was looking at that. Not sure that would work, though, as it'll be on/off (controlled by my aquarium controller). This has electronic controls and I'm not sure how they'd work with intermittent power.

Running signal cables (for float sensors) that length is NOT something I'd be enthusiastic about doing...

Man, just an on/off dosing pump would be great...

Still looking. I thought FosterSmith had something like that... I'll have to check again...

Thanks for the suggestions!

 

[Captain Quirk]

Hmm. I'm wondering if this would do it:

SP-3000 Dosing Pump

http://www.championlighting.com/product.php?productid=17508&cat=385&page=1

Seems reasonable enough at under a hundred bucks, so...

Hmm...

I could also get the Aquatronica doser (I have the AT controller), but honestly, I'm not sure if I need all that (although I could use it for my calcium reactor, as well), but it's also $350.00... And I'm also not very enthusiastic about getting further into bed with that controller...

Anyone have any experience with the aquamedic stuff? Good? Bad?

???

 

[Bergovoy]

why the long distance?

Is your ro/di water source that far? If so, do you have the pressurized storage container?

If so, yuo can branch off the ro/di filter between the tank and the outlet, and run the 1/4 inch line to your tank with no pump.

I put an additional di filter out by tank.

You could then run a normal top off system of your choice then.

I think the storage tank will be cheaper if you dont already have it, then a pump and less likely to wear out...

Good luck

Bill

 

[Captain Quirk]

The drums will be in the garage, 100 feet away. I can do RO/DI in the house, but I don't really want the reservoir taking up even more space in an already cramped room. As for pressurized containers, I'd love to do that, but the metal ones don't play nice with DI water.

Honestly, Bill, that was my first thought (a pressurized vessel with solenoid valves connected to the topoff sensors). But since it doesn't play well with DI, I can't do it. I did a bit of looking into plastic containers but didn't find anything I felt confident enough would do it. Also, I would really need to be using a permeate pump (or would I?), and I'm not sure how I'd be able to make the RO unit work for many gallons at a time versus a trickle here and a trickle there. That was honestly what made me look at doing the 55G drum for the topoff; high level sensor, then the low level sensor at about 1/3 of the way from the bottom. That'd be about 30 gallons per topoff (meaning RO fill for the topoff container), which should be just peachy.

So, you're using a metal pressure vessel wit DI water without issue?

 

[Bergovoy]

The di is after the vessel. That is why the extra di filter at the fish tank. This is the only way to go.

You can do the solenoid thing, (which is what I did), or you can fill a container with a float switch nd do the gravity feed or if you want to use a aqualifter type set.

so the choice is yours, but if you think of pumping the water all the wy, you ave a lot of things that can go wrong, and truly is not worth it.

My pressurized tank and filters all fit under the kitchen sink, with room to spare, *that is a six stage under the sink), with the extra large refillable and vertical filter at the fish tank. The extra filter is a god send, as it brings the tds down to ZIP, zero, nada, blink...

anyway, I will try to take pics, onsunday, sorry, wont be home tomorrow

bill

 

[marcrothschild]

Osmolator from Tunze can handle a total of 15 feet of head pressure. I have my rodi fill a 20g tank in my equipment room. and the Tunze pumps from the resevoir to the display (about 12 feet). Its a great system, and I think its cheaper than the litermeter

 

[golfish]

<a href=showthread.php?s=&postid=10430207#post10430207 target=_blank>Originally posted</a> by Captain Quirk
Yeah, I was looking at that. Not sure that would work, though, as it'll be on/off (controlled by my aquarium controller). This has electronic controls and I'm not sure how they'd work with intermittent power.

Running signal cables (for float sensors) that length is NOT something I'd be enthusiastic about doing...

Man, just an on/off dosing pump would be great...

Still looking. I thought FosterSmith had something like that... I'll have to check again...

Thanks for the suggestions!

I'd go with the SP-3000 pump cause its cheaper then the Liter Meter..I use an old LM controlled by a float switch, its worked just fine for the past 6+ years.

 

[Captain Quirk]

<a href=showthread.php?s=&postid=10430882#post10430882 target=_blank>Originally posted</a> by Bergovoy
The di is after the vessel. That is why the extra di filter at the fish tank. This is the only way to go.

You can do the solenoid thing, (which is what I did), or you can fill a container with a float switch nd do the gravity feed or if you want to use a aqualifter type set.

so the choice is yours, but if you think of pumping the water all the wy, you ave a lot of things that can go wrong, and truly is not worth it.

My pressurized tank and filters all fit under the kitchen sink, with room to spare, *that is a six stage under the sink), with the extra large refillable and vertical filter at the fish tank. The extra filter is a god send, as it brings the tds down to ZIP, zero, nada, blink...

anyway, I will try to take pics, onsunday, sorry, wont be home tomorrow

bill

No worries, Bill. I can figure it out from your description.

On the DI, though, I'm not sure it has enough contact time (with the higher flow rates of straight pressure vessel output) for the DI to be able to do all it can. I mean, adding another DI (or relocating it) doesn't seem to be a big deal to me. I'm just not sure it'll be able to do the job it's supposed to with contact times that low.

???

 

[Buckeye Hydro]

Captain - To assure sufficient contact time you culd use a double DI.

Russ

 

[Bergovoy]

Maybe that is why before I added the extra large di cartridge, (thanks Russ), I was still running around 10-15 ppm, but now, it is ZERO!!! but the resin is starting to show signs of use, and I predict another month or maybe two. Which is about 3-4 months out of one dose or about 2-3 lbs I think.. pretty darn good

btw, RUSS, I heard that the pressurized containers have a bladder that is either synthetic or other NON metallic material. If that is the case, then is the DI treated water not contactingwater?

Thanks

bill