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soil
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pretty much just good homemade compost, some mixes have sand or other aerating amendments depending on the seed started. most veggies just get nice fluffy compost.

the way i see it, if it damps off and dies, natural selection is at work. only let the best survive. when you baby weak plants, you will always have to baby them forever.
For all things come from earth, and all things end by becoming earth.

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soil
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day three i think, still moist and humid. first signs of germination on some tomato varieties. ive built another and filled it as the first only holds six 72 cell trays. keep in mind the tomatoes had some time in the soil before going into the chamber, but the temps were very cold at night.

also i have been opening mine for a minute or so whenever i am around to let it breathe some. it might be worth adding a small fan on a timer for better built models like yours.

these tube lights are working superb also. and cheap too for anyone wanting to build a quick one.
For all things come from earth, and all things end by becoming earth.

DoubleDogFarm
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Soil,

One is never enough. :wink: but it is for me this year. I started a third batch today. Nine new 1020 flats with (18 ) 4" pots. Room for a few more tomorrow.

Eric

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Pulled the (9) flats out of the sweat chamber today and onto the watering shelf. 3 days

Red Sails Lettuce
Slobolt Lettuce
Buttercrunch Lettuce
Valmaine Lettuce
(2) Arugulas
Mizuna Mustard
Olympia Spinach
Di Cico Broccoli


Eric

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soil
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im probably crazy for thinking about this already, but i like to be a season in terms of planning ahead to make things easier on me.

are there any things you would change this year from last years Sweat chamber DD?

im going to re modify the one i built, or i might make a bigger one. not sure yet.
For all things come from earth, and all things end by becoming earth.

DoubleDogFarm
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Please everyone call me ERIC. :D

Soil, Your question has been rattling around in my head for days now.

Keeps coming back, I don't know. How warm can you get aquarium water. Could I bury an aquarium under my sweet chamber to get both heat and humidity? I'm going to google aquarium heaters I'll be right back....
https://saltaquarium.about.com/od/toppicks/tp/TPheaters.htm
Ok, looks like we can get water up into the low 90F. It may take one of the larger 500w heaters. Used aquariums are easy to come by, but I'm thinking many different containers would work. I would want to make sure no nasties are released under warm conditions.

Anyone have thoughts on this project?

Eric

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Soil,

Any new thoughts on this topic?

Eric

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soil
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just have been gathering materials and making a mental game plan for next year. its a pretty simple concept id like not to fuss it up with complications.
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bren.t
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Thumbs up 8) . I commented on it in my thread, so I won't repeat myself. I didn't mention, though, that I love that pic with all the humidity on the windows. This would probably be a great cabinet for cuttings with all that moisture in the air.

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Getting ready for the DoubleDog advised sweat chamber! Do I dare make a large one with the 4 by 6 double glass doors! I will let you know in jan! that thermastat DD list here is really nice and a must!
I enjoy fishing ,gardening and a solar greenhouse! carpet installation repair and sales for over 45 years! I am the inventor of the Bobber With A Brain - Fishing Bobber!

DoubleDogFarm
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Here we are Frank, January. Are you building a 4 x 6 propagation chamber? I would fix the glass and have a wood door.

Eric

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Ya I am working on it this week! The small personal heaters are for it. I am also starting plants in my basement also since my greenhouse is 50 miles from my place I live. I only go there on the weekends!
I enjoy fishing ,gardening and a solar greenhouse! carpet installation repair and sales for over 45 years! I am the inventor of the Bobber With A Brain - Fishing Bobber!

dsyukon
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That is a nice setup there. My sweat chamber is just some big ziplock bags that I use at work to put the p/c componets in when they are moved.

Short on $$$$$$$$$$$$$$$$$$
ERYN & FRIENDS

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soil
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i gotta build me a new one of these, still have the one from last year, i want a glass one though lol. maybe while its raining this week ill make one.
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I was thinking of using a clear hanging shower curtain that I can slide over the area so I can let the sunlight in and leave the plants stay there for week or more! The curtain will hand down and keep the area warmer and be easy to open to the boxes! The curtains are cheap and very heavy vinyl!
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Bobberman wrote:I was thinking of using a clear hanging shower curtain that I can slide over the area so I can let the sunlight in and leave the plants stay there for week or more! The curtain will hang down and keep the area warmer and be easy to open to the boxes! The curtains are cheap and very heavy vinyl!
Interesting idea Frank. Will you need a plastic valance at the top. Will you have a gap at the ceiling.

I will be moving my propagation chamber from the South wall to the east wall. This will make room for more rebar shelving.
[img]https://i67.photobucket.com/albums/h300/eric_wa/Double%20Dog%20Farm%20%20Greenhouse%20Propagation/GreenhouseMay8th2011007.jpg[/img]

Eric
Last edited by DoubleDogFarm on Sat Oct 13, 2012 7:36 am, edited 3 times in total.

Bobberman
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My ceiling is 6foot 8 high with double plastic. I will run it from the ceiling down and it will over lap the table! have decided to put my small ceramic 200 watt heater inside. The back wall is 2 inch styrofoam!. The table has a inch foam on top!. The curtain faces the south clear double plastic A frame wall! It will get really warm uring the day and I may have to have the curtain slightly open. I have a real thick one shower curtail I bought 6 months ago!
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How are you closing the ends. Will the curtain go wall to wall or wrap around the table?

I would put the heater under the table for bottom heat. You will need to remove the 1" foam board and run the curtain to the floor.

Eric

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Table is 2 foot high and curtain is pressed against the table. The ends are closed in with insulation! Its only 5 by 30 inches about the size of a tub. I can put about 6 foam boxes with seeds to start every week!
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DoubleDogFarm
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Sounds good. I still don't like your styrofoam boxes. :lol:

Eric

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floridahillnursery
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sweet greenhouse

Hello Eric, thats a sweet greenhouse setup. I bet your getting itchy for spring... :)

DoubleDogFarm
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FHN,

Very itchy :( at least the snow is gone! :D

Did you look through this thread? Any ideas / suggestions?

Eric

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greenhouses

Man Eric, it looks like you have it going on. I wouldnt change a thing. :)

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FHN,

Even though I'm not good at describing detail on projects and my grammar is poor, I like reading detail on others projects. So floridahillnursery stay technical, I learn more. :wink:

Try not to be comfortably numb, Eric

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thanks Eric

Thanks, When it comes to gardening I know no other way. :D

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soil
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Built mine today, went with making it longer than tall, the stacking of too many trays last year made for poor airflow. I can fit 8 trays at a time single layer, if I want I can double it to 16 and still have room for proper airflow. And this way they get more light along with the warmth. Should be fine with eight 200 cell trays. 1600 plants at a go every few weeks.

I made this years version for under 20$ went with a piece of plastic if it sucks next year is glass for sure. What cost most was the outdoor rube light that cost 12$. For those starting a good number of plants, starting plants for sale, or those just wanting a head start in the cold late winter days. This is the way to do germination.
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Made my sweat chamber this past weekend! After many ideas I finally went with two clear shower curtains in the front. They wotked better than I thought and were so clear I could look through and see the boxes! So here is what I did!
++++
In my 12 by 16 solar A frame greenhouse I put the chamber on the north insulated wall! On the angled north wall I have a 2 nch styrofoam insulation! I made a 4 tier shelf with 2 by 3 old storm alum. windows. I had two 50 gallon drums between the 8 foot wide shelf! I used the windows so the light would pass through and hit all the boxes incase I left them in awhile after they emerged!. I did 11 - 15 by 20 styrofoam boxes of new seeds.'
+++
At the bottom shelf I set a 200watt ceramic heater on a timer That would come on for evey other our for a 1/2 hour startinging at 10 pm till 5 am. I have the heater blowing against two small metal pots of water. The water gives some moisture and holds the heat when the heater is not on! As long as I am 45 degrees or higher at night I am happy! Day temp are always 50 to 90!. I am montoring it all the time! I have one flat of tomatoes up n there now! The curtains are on a rod and esy to open! I bought the curtain at Dollar general for $6 each and they are really nice thick clear heavy plastic!
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soil
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just so everyone knows how well this works.

last nights nighttime temp - 29f

sweat chamber temp at nights low - 67f

and i spent less than 20$ on it!
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Only made one change to the germination chamber setup. I installed a small fan at the top left corner. I'm hoping this will even out the heat from top to bottom. The fan and heater are connected to the same thermostat.
[img]https://i67.photobucket.com/albums/h300/eric_wa/Double%20Dog%20Farm%20%20Greenhouse%20Propagation/GreenhouseFeb72012001.jpg[/img]
[img]https://i67.photobucket.com/albums/h300/eric_wa/Double%20Dog%20Farm%20%20Greenhouse%20Propagation/GreenhouseFeb72012002.jpg[/img]
[img]https://i67.photobucket.com/albums/h300/eric_wa/Double%20Dog%20Farm%20%20Greenhouse%20Propagation/GreenhouseFeb72012004.jpg[/img]


Eric
Last edited by DoubleDogFarm on Sat Oct 13, 2012 7:37 am, edited 2 times in total.

Bobberman
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Good job very nice. What temp do you keep it! Also with the fan you may need to cover the boxes so they don't dry out with the breeze or is it just a small fan! My swea chamber came out nice with the clear shower curtains for the door! I have about 15 foam flats! I will add more this weekend mostly tomatoes and peppers this week!
I enjoy fishing ,gardening and a solar greenhouse! carpet installation repair and sales for over 45 years! I am the inventor of the Bobber With A Brain - Fishing Bobber!

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Currently the thermostat is set at 80F.

It's a small fan angled at the side wall, not blowing on any of the flats. The bowl of water above the heater is there to keep things humid, but I'll keep an eye on the upper shelves. Last year they did dry out some.

Anyone have thoughts on a 4" pipe the fan could blow down. This may help return the warmest air to the bottom.


Eric

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Check out that personal ceramic heater at Wal Mart for $11. It blows a little air but its only 200watts and may be a nice alternative to what you are using. The reason is because you can set up two one on each end and only use 200 wats times 2 which is not as much as the gig ones even on low! The heater is tiny about 4 inches high and 3 inches thick!
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Interesting.
You would have to do a little calculating. How long does a 1500W heater have to run to keep the cabinet a constant 80f compared (2) 200W heaters. Would the smaller heaters have to run 3.75 times longer? Not sure, maybe once the cabinet is up to temperature the smaller heaters would be more efficient?

Eric

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You could use 2 or 3 heaters 200 watt and have a more uniform heat with less wasted head and three small fans insede the small eaters! To heat a chamber inclosed bz should not take much heat if its insulated or has a two plastic pannel set up! My heat chamber gets sun during the day right through the plastic shower clear thick curtain! The shower cutains ae about 5 foot square and only cost $6 at dollar general. I may use them for ther things since they are so strong!
++=
Do you need 80 degree heat all the time or could you get away with a hour of 80 degree heat and a half hour of no heat since the dirt will hold the heat for a good while!
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Do you need 80 degree heat all the time or could you get away with a hour of 80 degree heat and a half hour of no heat since the dirt will hold the heat for a good while!
This would be a better setup if I purchased the inline thermostat with a soil probe. We really want soil temps not air.
https://www.ebay.com/itm/Portable-Low-Temp-Thermostat-Marine-De-icer-/170775342634?pt=Boat_Parts_Accessories_Gear&vxp=mtr&hash=item27c300ee2a

Eric

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Once again the small heater located in three different places will not cause the hot and cold spots like a larger heater! The air movement will also be more unifom! Check those heaters out!
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One last change for this years setup. I connected a tube to the fan. Should help even out the heat.
[img]https://i67.photobucket.com/albums/h300/eric_wa/Double%20Dog%20Farm%20%20Greenhouse%20Propagation/GreenhouseFeb72012016.jpg[/img]

Eric
Last edited by DoubleDogFarm on Sat Oct 13, 2012 7:38 am, edited 2 times in total.

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Bumped for Ruffsta

Eric

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soil
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i love my sweat chamber, when people come over and see how big my plants are compared to theirs it blows their mind. hell it even blows my mind how fast they germinate and grow.

I highly recommend anyone starting seeds to build something that provides the same function as Eric's sweat chamber.

a friend is giving me a camera soon so i can take photos of mine soon.
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and a camera for Frank aka Bobberman. :wink:

Eric

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