Which would produce more DO in a DWC?

kingtitan

Well-Known Member
How is this air pump? the 70L and 100L both say its 60 decibel, is it loud? I am looking at RDWC 6-9 site with 5 gal buckets but I I am trying to size the pumps. Thinking about ditching my current Promix soilless.
I got this pump in today and so far I am not impressed, not sure if mine is defective? i am using standard airline tube to a 12 inch air stone and i would have thought there would be so much pressure that water would bubble out but its very low, if i open up more valves its even lower. Maybe its the airstone? I got 6 of each for my 6 site setup in 12g totes https://www.amazon.ca/gp/product/B0002AQHJQ/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
 

JSB99

Well-Known Member
I got this pump in today and so far I am not impressed, not sure if mine is defective? i am using standard airline tube to a 12 inch air stone and i would have thought there would be so much pressure that water would bubble out but its very low, if i open up more valves its even lower. Maybe its the airstone? I got 6 of each for my 6 site setup in 12g totes https://www.amazon.ca/gp/product/B0002AQHJQ/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
Sounds like something's definitely wrong. I have mine going to 4 x 4" cylinder stones, and the output is impressive! I'll post a few pics today.

That's a really large airstone. I would think it would still perform great, but I've never used one that large. You might be better off using two smaller stones instead of one large one.

Out of curiosity, how long is the 1/4" line going from the air manifold to the stone?
 

JSB99

Well-Known Member
They grow up so fast :). I'm going to transplant them to 4" pots in the next couple days. This is actually the first time I've grown in soil. I've always done hydro. It's just my mum's though. Saw a horrible article about keeping mother plants in a DWC! IMHO, that's one of the worst ways! Too many points of failure. Besides, why would anyone want a super-charged mother plant? Unless it's a clone farm or something, I guess.

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Cold$moke

Well-Known Member
Look up spyder air injection

Thay wher cool looking a few years ago but i never tried them as i went to waterfalls.

But the 4 inch pawfly cheapies on amazon 8 bucks and have nice suction cups that actually work well
 

JSB99

Well-Known Member
Look up spyder air injection

Thay wher cool looking a few years ago but i never tried them as i went to waterfalls.

But the 4 inch pawfly cheapies on amazon 8 bucks and have nice suction cups that actually work well
But even with those bars, shouldn't he be getting massive bubbles? I would imagine any kind of stone would work, even if some are better than others.
 

Cold$moke

Well-Known Member
Sorry i thought you where looking for other airstones i didnt read his post lol.

All depends on the air pump.

A little pump has a hard time maintaing pressure from end to end. I only bought long bars 1 TIME lol
It basically leaks out of the stone before it can fill the bar with air if that makes sense

But if his airpump is big enough it might push fhe whole lenght of the bar.

For cheap stones the 1$ 6 inchers work ok
enough.

Truth be told after i got my big boy air pump
I havent tried a 12.

I gota do some chores for the woman
But ill see if i still have a 12 incher and hook it up to the alita it definitely spits out the air!
 

Cold$moke

Well-Known Member
If it matters the alita 140 is a bad ass pump and pushes 10 stones pretty well .

Its not quiet but its much more hearing freindly then cheap pumps hard to describe
 

JSB99

Well-Known Member
If it matters the alita 140 is a bad ass pump and pushes 10 stones pretty well .

Its not quiet but its much more hearing freindly then cheap pumps hard to describe
Yeah, I really want an Alita! When I start upgrading, I'll be getting one, as well as a Danner Mag drive. Surprisingly, mine isn't all that loud. However, I've gone through some steps to help contain the noise and vibrations. I can barely hear it on the other side of the door, when it's shut, and nowhere else in the house.

As far as the bubble bar, I know what you mean about losing pressure. I had a couple way back, but went to calendars, and stuck with them. Way better!
 

Cold$moke

Well-Known Member
Whats a calander like for straining food?

Yea man alita are spendy but worth EVERY penny
Cause its sucks to drop the better part of 2 bills on a pump.

But its not a pump its a compressor!lol
Says so on the pump ha ha

Mine is just the 140 lph

But it runs ten site NO problems with more on the manifold

When i first plugged it in it was loud as fuck

Then i hooked all the air lines to it and poof you cant really hear it over bubbles :) still has some reverberation but compard to my old
Buzzy pumps way better as far as sound travel
 

kingtitan

Well-Known Member
I mentioned that the airstone you got was really big, but then I looked at the link. I thought you meant a round 12" stone. Didn't know you meant a bar. This pump should EASILY handle 6 of those.
Yeah i noticed it pours out without filling the bar but i guess this will last longer since it will just clog up and move on to the non clogged areas! ill post a pic of it running 6 of them, worked a bit better but I am still not satisfied with the output, maybe ill grab a few cheapo round ones from wal mart and see what it looks like.

Now i just need to build something to insulate the sound a bit, maybe some foam box over it with air openings

Thanks for the vid! you are awesome
 

Cold$moke

Well-Known Member
The only problem ive found with the 12s not bubbling across the whole bar is

Since the bar doesn't fully pressurize

It only spits out big bubbles. Not necessarily a bad thing but not ideal.

The six inch ones will kick out more "fine" bubbles.

The 12 will get you through the grow though

And like i said i never hooked a 12 to my big pump to see.
 

JSB99

Well-Known Member
Whats a calander like for straining food?

Yea man alita are spendy but worth EVERY penny
Cause its sucks to drop the better part of 2 bills on a pump.

But its not a pump its a compressor!lol
Says so on the pump ha ha

Mine is just the 140 lph

But it runs ten site NO problems with more on the manifold

When i first plugged it in it was loud as fuck

Then i hooked all the air lines to it and poof you cant really hear it over bubbles :) still has some reverberation but compard to my old
Buzzy pumps way better as far as sound travel
You're making me jealous, dude lol! There are a few large upgrades I'll be doing. Along with the air and water pumps, I'll be building my cob LED at some point. I'm going to get a 600w Ushio hps, and I hope to have my cob array built before it's ready to be replaced.
 

JSB99

Well-Known Member
Just put these beauties in 4" pots, where I'm hoping to keep them. I'm thinking about putting these under the 600w until I take some cuttings and top them. Hopefully that'll be in a week or so.

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Cold$moke

Well-Known Member
Yea right your seedling makin me jealous.

I just popped 6 but im experimenting with rockwool..... lets say i. Used to hydro without the wool lol.

But they're still tickin
 
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