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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 6th, '17, 10:01 
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Andy, what is the reasoning behind pH of 6 though? Better germination? My water is naturally high pH out of my hose because I have extremely hard water and have a very high end $8000 water softener system to give me decent soft water inside the house, but exterior hoses are not ran through the water softener, so naturally higher pH. Wondering if that might be part of my seed starting problem (although I just remembered I had a bacterial iron issue they said too was why the high end softener, it uses hydrogen peroxide along with softener salt.. wondering what that might be doing to my plants...)

I did manage to get my system water down to about 7.4 pH last I checked it, but after water top ups for a week or two it is probably back closer to 8 again.

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 6th, '17, 11:16 
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Iam going to be honest,I am not absolutely sure,the seed comes with all the nutrients stored within it to get the seedling up to its cotyledon leaves,so it won't start talking nutrients before these then PH 5.5/6.5 is what will help the plant take up its required nutrients.
I have germinated with water straight out of the tap which is 7.4 last time I checked,I have tried bottled water,I have PH adjusted both bottled water and tap water with no noticeable difference in germination rates. I do it as part of a regime,I do the same thing every time with the seeds so as to minimise poor germination rates as reseeding takes valuable time. Seeds here in Thailand are very cheap,now a days I double seed everything to get 100% germination,in the rainy season I will leave the two and harvest earlier,the rest of the time I just break of the weaker of the seedling,I grow Chinese Celery in foam cubes and I will place 5 or 6 seeds in for them,this ensures great germination rates and I nice big bunch of celery that I can harvest early.
Tomatos,peppers and Chillies I have had good success germinating the seeds in damp tissue placed in a plastic explosives bag,as soon as I see signs of life they get placed in a foam cube.

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 10th, '17, 00:57 
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Do you know how much we hate waiting for updates,how is the build on the hoop house progressing ?

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 10th, '17, 01:53 
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Ha ha! Good timing Andy, I looked at the forum this morning while I was watching the kiddo before my wife woke up and your post wasn't here... Then I went out and spent the past few hours working on it, I hadn't had a chance to work on it this past week, and I probably shouldn't have been working on it now because I'm fighting a sinus infection and ears plugged but I told the wife "Winter is coming..." So I needed to make progress.

I finished framing the ends in and put my windows in. Then I started putting the beam up... That was kind of a pain doing it by myself, I had to do one ten foot section at a time and screw a board to the other end to help hold it up.
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Now I have the vertical supports in place and screwed the top of the hoops to the beam. Taking a little break now.

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 10th, '17, 09:44 
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That looks awesome,I will be following your build,how about your foam cubes ? Have you got them yet ?

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 10th, '17, 19:12 
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Yes I did get the foam cubes but I have not attempted to start any seeds in them yet. My DWC is almost full so waiting a bit before I start more.

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 11th, '17, 01:47 
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Knee boards are on. I boxed in the base of the center posts to keep the soil off of them to make them last longer. It will probably be a few weeks before I have the money for plastic and plywood.

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 11th, '17, 19:44 
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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 16th, '17, 21:34 
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Awesome!

as for construction, could you have driven t-post in and secured to knee board and then use a sleeve with a clamp (heavy duty pipe clamp) to affix PVC that the electrical conduit would of slid into (as opposed to driving into ground)?

your construction is very similar to the high tunnel that I have. I would add two more purulins 1/2 down the ridge to add additional support. I have had close to 18" of snow on (before I knocked off) and no damage has occurred. there is a handy little u-shaped clamp that came with my kit that allows me to carry the load of the purlin supported from each hoop.

going to look now to see if it is something sold as an accessory from Growers Supply.

Adam


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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 16th, '17, 21:47 
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Universial Cross Connectors

Something like this so you do not have to add support from the ground?

Adam


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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 16th, '17, 22:30 
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BroHay wrote:
Universial Cross Connectors

Something like this so you do not have to add support from the ground?

Adam

Fascinating, lol!

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 17th, '17, 01:55 
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Adam, could have probably went with t posts, but that would have been more expensive and would raise the height which would be good, but also more expensive because I would need longer plastic and probably longer PVC hoops too to get the arch right, and with that I would need a higher beam which means longer vertical supports, which again means more expense...

I'm in a holding pattern right now to get the money for the plastic and plywood for the ends. I think I have the money for one or the other but haven't looked at my bills/bank account after payday yesterday yet... So it will likely be at least two more weeks before it is all enclosed. I do plan on adding two more perlins to give it a little more strength, I will pick them up when I go to get the plywood from home Depot next trip...

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 17th, '17, 07:42 
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See, I have t post left over, cut in half leave 8-10" above grade. I also have some clamps left over from chain link job that I could use to lock the PVC in place.

Trying to use up materials I have in a similar fashion as you have done.

Did you glue the joints?

Adam

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 17th, '17, 09:15 
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No I didn't glue them, but I have ran short screws through them from the inside. There is enough tension that they won't come apart.... It was about all I could do to lift 25ft of pipe in the air, fighting the wind, set one side in the bottom PVC, then bend it down and go hook up the other side.

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 Post subject: Re: DIY PVC Hoophouse
PostPosted: Sep 17th, '17, 09:17 
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I don't have t posts laying around to use... They have gone up in price! Seems like they have doubled in price since I worked at tsc... I had enough for about 3 acres of horse pasture that I gave away at my old house when I got rid of my horse... Now I need them at this house I have to pay 5 bucks a piece for them.

I did have PVC laying around for about half of the ones I had to pound in the ground though... so we are both using scraps to save money I just have less valuable scraps than you do lol

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