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PostPosted: Nov 15th, '16, 23:01 
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@scotty436 Thanks for the info.

@Boss I really liked the germinate rate on the foam but my implantation is not good yet.
Here is a picture with the ones started with foam and the ones started with Rockwool.
My Rockwool is doing better. The roots went through the foam quickly but my system needs a fine filter. I am going to wait until after I have the filter setup to try the foam again. I have some foam coming from overseas to try also.

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Here are my crazy tomatoes.

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I have cleaned these out
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I need to trim these up.
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PostPosted: Nov 16th, '16, 00:54 
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one last question: Are the rockwool plugs hard or soft?

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Specs: 2600 gallon (347.56cf) Masonry fish pond. 44cf GBs. 200 gal (26.7cf) ST. 15 gal (2cf) RFF. 50 gal (6.7cf) biofilter. Brook trout and Comets.


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PostPosted: Nov 16th, '16, 01:12 
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This is the rockwool I bought.
https://www.amazon.com/gp/product/B0087 ... UTF8&psc=1
I would describe it a fibrous and a little soft.

This is the foam I used. Open cell.
http://www.hobbylobby.com/Fabric-Sewing ... ad/p/36737

This is the foam I ordered off ebay (this is still on its way)
http://www.ebay.com/itm/192-Pcs-1-Cube- ... Sw9NdXrusQ

I still really like the idea using form to grow and start seeds. I am going to give it more time trying it. Dasboot results are amazing so I need to get the conditions right and try some more.


This is the commercial can I bought for the filter. Tuff Can

http://www.webstaurantstore.com/32-gall ... 2GYBK.html

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I was thinking buying a heavy duty can it would make a good filter. I could buy a pickle barrel for this filter. I don’t want to put something in that I will need to replace in a year or two.

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PostPosted: Nov 16th, '16, 05:45 
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I'm not using it for a filter but I have one of those cans or similar and it's good after two years now so that probably will work as long as it's UV stabilized. Pickle barrels also work well.


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PostPosted: Nov 22nd, '16, 11:58 
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It got down to 28F last night. Here is a couple photos with my Flir one. Right now it is 42F outside 11Pm it is 61F in the greenhouse.


The second row and the third row is 79F

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The bottom row of 55 gallon barrels are almost covered up with the DWC but they are still 73.7 F at top of the barrel.

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Here is my lettuce still growing
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Today when I had lunch I went out and picked a tomato and some lettuce for my sandwich.
I tell my wife just in time lettuce production.

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PostPosted: Nov 23rd, '16, 02:38 
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I enjoy your thread and your approach. I look forward to continue to learn from your experiences.

Thanks for contributing.

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PostPosted: Nov 24th, '16, 01:09 
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@bcotton Thanks I am glad I can give back. I learn form others here all the time and I am grateful for them taking the time to share their knowledge/experience.

I am trying something new this winter. Last winter I had all the top vents closed and only used the two side vents do venting.

This led to over 100F on sunny days. This worked very well for my fish heater but not so good for the plants.

This year I am using the one top vent adjusted it to open at its upper temp range. The two side vents are enabled.

I am now running my fish tank closed loop heater that used 138 watts. It is keeping the fish water around 68 – 70 F this is good and the greenhouse is staying under 85F.
viewtopic.php?f=18&t=24884&start=330

The greenhouse temp has not going under 56F so far. ( Cold morning temps )

I still want to get my vent free gas hot water installed at some point. I would like to be able to handle a week of cold cloudy weather in the winter and keep the fish water warm enough to keep my fish alive. This is really a just incase backup water heater.

I am not sure when I will take on that project just yet. I need my filter and a couple things done first.

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PostPosted: Nov 27th, '16, 06:00 
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I installed my fine solid filter. It has 2 cubic FT K2 media then on top it has shade cloth.
The water comes in from the bottom and makes its way to the top. The water that is going into the bed looks very clean.

So far it looks like it is doing a good job.

I used the shop vacuum that has a hose reduced to a small air line to remove solids on the bottom of the bed. I think this is going to help my DWC.

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PostPosted: Nov 27th, '16, 06:48 
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Looks like a sturdy system you're building there Mark.
Our chicken's fight over who's going to get the slugs I find around my system.
I had my son helping with cutting, grinding and welding etc when he was young and now he's 20 he often tells me of how he see's others mistakes and how it could be done easier. He's also amazed of how little his friends know of construction. It pays back in buckets.

Pete.

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PostPosted: Nov 30th, '16, 09:15 
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Hi Mark,

Popped over from the filter design thread so maybe I should have put this over there but here goes :dontknow:

The way I normally tell the filter needs cleaning is that the K2 media floats up higher as less flow is able to pass but with the netting in there I don't think that will work for you. I'd suggest taking out the netting but you'd have to redesign the outflow to prevent K2 from getting through. One of the reasons people use K2 and similar media is that the netting is a pain to clean - for this reason I'd just remove it and see how the filter works without it (and with the slight modification needed to prevent it escaping).


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PostPosted: Nov 30th, '16, 11:19 
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@Petesake I think it is great you passed those important skills on to your son.

@Scotty Thanks for the info!

Here are yesterday’s tomatoes.

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PostPosted: Nov 30th, '16, 18:17 
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Wow Mark, they are really kicking in aren't they!

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PostPosted: Dec 1st, '16, 07:33 
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Yes the tomatoes are doing really well. We picked that many again today. Lots more on the way.

I thought this looked interesting. This is the roots from one of my lettuce plants.
If you look closely you can see a clump of worms at the top and couple places throughout the roots.

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PostPosted: Dec 11th, '16, 07:09 
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12:15 AM 32.0 °F
7:35 AM 28.4 °F
It was cloddy yesterday so the fish water started out cool and got cooler.
In the morning the fish water was 60F that is too cold for the fish. The greenhouse went to about 50F.
It was cold today but sunny I was able to heat the fish water up to 67F. That was pretty good.

If I did not have tilapia I would not need backup heat for the fish water. I will be installing my 1,000 watt 240V SS commercial heater.
I am installing my underground natural gas line.
Even know NG hot water heat is so much more efficient I have been making more power then we use in a year I would rather use it to heat fish water that sell it to the power company for a whole sale price.

I have a monitoring system I will be installing shortly. It can monitor up to 6 items plus a power outage. It has alarms and a web interface. It will text and or email when there is an issue.
I tested it today it has tons of options.
When I trench for the gas line I will install conduit with cat 5 cable for the monitoring system.

Today’s tomatoes and the lettuce. I love to be able to pick tomatoes in December 27 F outside.

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PostPosted: Dec 11th, '16, 07:49 
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That looks awesome! I bet they taste good.

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