not the most cost effective greenhouse you ever heard of

JcTewks No it is still on the output. I havent had time to work out the bugs on it. I did try it on the input but the venturi stops drawing air and blows water out the venturi when the skimmer is only half full. I might have to mout the pump higher up.
 
Redox,

If you don't mind me asking a few questions about the DSB drum.

1. approximately how deep of a sandbed did you go?
2. how does the water flow over/through it?
3. did you build something within?
4. do you do any maintenance on it at all, keep any additional inverts in there (sandsifter/snail/crabs)
5. do you provide it with lighting? grow macro algae over it? how much flow are you dumping over it?

Thank You very much - nice build!


<a href=showthread.php?s=&postid=9346386#post9346386 target=_blank>Originally posted</a> by redox
dsb in a 55 gallon drum
rdsb55gal.jpg
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Hello wizsmaster The rdsb is made from a 55 gallon drum. 1- the depth of the sand is about eight inches short of the top of the barrel. 2- I feed the barrel with a large rk2 skimmer. 3- nothing but sand (southdown) 4- no maintenance at all ,the sand is clean white inside. 5-no lighting what so ever,it must remain void of light. I use a pcx40 to supply the skimmer with return flow. It is just over 1000gallons/hr @five foot head. The water leaves the skimmer runs across the barrel and then dumps dirrectly into my sps vat. zero or undetectable nitrates, seems to work well:D
 
ohk - so water enters in the top of the barrel, and exits on the top as well, doesn't trickle down through the barrel & sandbed to exit at the bottom, right?

Thanks,

--marco
 
yes it enters and exits at about the same height on opposite sides of the barrel. The only current is on top. Are you planning on building one? If you do you wont be disapointed with the results. They do work and work well;)
 
Yes, i am. I've had one of the blue medical barrels sitting around for quiet a while ... been meaning to, and saw your thread the other night.
Any idea how much sand you have in there? I've got about 250lbs sitting around, but don't think that would fill much more than the first 12", if at all.

Did you cut the top out?
I'm leaving my top, unless you can give me a reason to take it off.
I am planning on feeding ti through one of the top holes, and draining is through a 2" hole i drilled in the upper side, like it's visible in the pic of your barrel above.
 
sweet!
i just got done dumping 11 bags @ 20lbs each in. thats all i have for now .. need to get a GB for dry sand together.
I don't know any place down here that sells southdown ... :-(
 
I dont think you will find southdown anywhere. They changed the name to yardright and then it went exstinct. I bought several pallets from Oldcastle around the time it was about gone.:(
 
hey redox rememberme ?

well things are going quite a bit better now ( not all the way yet lol)

DSCK0012-4.jpg

DSCK0015-1.jpg

( main flow off in both picts)

things look like they are still oging well for you
 
alot of those were recent. real recent.. as intoday. because the mothers started shading the base
non of those will be to sell those will jsut be grown into more mother colonys
been working more on the zoas and yumas lately since i acquiered some really nice ones

what are you feeding your sps. i looked but think i missed where you mentioned it
 
Took the needle wheel pump off. Heres what I got
foam.jpg
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attr. I hope you have success in your growing venture. I dont grow to sell so I will never know how much work it must be for you. Grow on dude;)
sps.jpg
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coralfarm.jpg
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This big leather will just get bigger
largeleather.jpg
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The current is about to get better. I am adding T. waveboxes:D
 
Doug,
If you put a Tee right at the suction side of the needlewheel with a 1/2" airline poking down into the tee, and a gate valve at the skimmer that you can throttle to get the pump to draw the correct amount of air. Then remove the Mazzei venturi entirely, simply cut in a piece of pipe. That thing will foam like you've never seen.

With your skimmer height, you may have to mount the pump up higher. If you could mount it right next to where the venturi feeds into the skimmer that'd be great. Otherwise you may need to force feed the pump with air.

Love the new pics with the photobox!

Oh, BTW, I know how much you love your Ca reactors, LOL. I just rebuilt a Schuran chamber with 2 cracked flanges. I used 3/4" thick flanges. It wont break again:)
 
Chris I have been running tests already and have tried many different options. I already know that the pump needs to be higher and have tested it but the new adapter manifold I made positioned the pump about four inches to low. Will try again when time allows,thanks for your input. I always apreciate it;) I have to replace the media again in my reactor. I wish you were local to me Chris.
Old grandad;)
oldgrandad.jpg
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Still working on the wave box instillation:rolleyes: I did however take some new pics. The coraline has already totally covered the new racks.
coraline.jpg
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All my acros are loving the suns new angle in the sky. Summers on the way and it only gets better;)
growthyes.jpg
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someacros.jpg
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Ill be doing away with the seaswirls
seaswirl.jpg
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This guy would color up if I just quit moving it around
wasbrown-1.jpg
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