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What is that white material? The one that floats vegetables

may I know what type of liner do you use for the system? is it the same as the greenhouse cover?

Thank you to sharing your knowledge, but you didn't finish it. The installation of a pamp and water system connected through the PVC. I hope you will show us how to connect all together. Thanks

He doesn't tell us why it was discontinued. Doesn't show how the water will actually get to the top and flow to the different poles. Doesn't show how the water flows back at the bottom and not just sit there. Really doesn't show anything that we actually need to know

Smart fluid dynamics engineering! An excellent video with great details.

It is impressive the design identifies and solves some of the problems which is prevalent with a vertical hydroponic build. The chief of which is equal distribution of the nutrients to each of the plant holders. I have a simple 4 tower square design which was a common design offered by several on the Internet. I found the pump to be inadequate requiring absolute leveling to get the nutrient flow evenly divided. Thank you very much for your observations and thought but more than that, your willingness and expertise to share this with others. This makes you a great person, one who believes not in held information but rather shared information to benefit us all. In this very divided world we live in, this speaks volumes about your character. I truly appreciate it.

I don't get it. Where is the water exactly? No visual of that. You go from liner to floating plates? There is some steps missing. Am i that simple or is the core idea missing?

Do you need aeratorion pumps or you're using the sump tanks for aeratorion?

How do I contact you for more information if possible? Thanks

Dear sir I have watched your videos very carefully regarding hydroponic farming I am very confused about the season. The first is how many liters of water should I use, the amount of chemicals and the temperature needed to grow green house vegetables?

Can you please elaborate on the aeration system you use? Do you have an aeration system inside your sump pumps or do you have air pumps and air stones in each of the tables? I have a reservoir 4 cubic meters big and the water will get pumped out to 44 tables whose total water volume is totals 36.9 cubic meters.

Where are you guys based?

explain how you built the drainage system waterproof please?

Great video and many thanks but....how did the water come back in your tank when your return pipes are so low?

Can you share with us the nutrients concentrations in ppms and TDS?

Reality check: DWC is likely best for beginners or those who don't understand hydroponics very well. It's cheap, easy, more forgiving, and a good place to learn. But, literally ZERO professionals use DWC, which tells you something. Most use NFT for greens, and vegetables, and ebb and flo2 for root vegetables and large vegetables.

Do you drain the water on one end and pour water in on the other end to keep the water flowing? and how often do you completely change the water?

Was there anything you'd do differently? Any pains you may have encountered? Did it live up to your expectations? And, why did you decide to decommission it?

Please add Aeroponics. Thanks for video.

Where can I get the machine or equipment in South Africa

This great

Too many fitting, nightmare to clean, and the cost. Much simpler systems in existence. Always apply the KISS principle.

PVC is only used for waste water here in the USA because of the toxins that leach out over time and exposure to UV light. Was this system built with UPVC or CPVC? I suspect it wasn’t because of the costs involved. That is why I got a 3d printer and made my own grow towers of PETG. Maybe that’s a better way if you’re concerned about the toxins in Polyvinyl chloride.

What materials do you use for the roofs?

may i ask for the size of the raft and the spacing for the holes? thank you

Am from trinidad i use the RDft Recirculating deep flow technique works great

Where did you source your rafts and what variety of lettuce did you grow? How long does it take your lettuce to grow?

What specific types of lettuce did you grow?

Where do you get your rafts?

What is the spacing of holes? From center ot center.

My problem that is worrying me is how will i put a drainage system in that to remove the water after 14 days or a month later. Please would you suggest how to use a drainage in this system. Or i could use a submersible pump to drain the water?

they are NOT Wye Tee fitting. They are just Wye fittings. A straight connector??? Its called a coupling...

Which growing medium do you use?

Hi, would rain water change the chemical levels in the water beds? Or do you keep checking after a rainy season?

1) Why was it discontinued? 2) Why must the fittings on the pipe be in a spiral shape? For space to grow? 3) Thank you for the detailed video

Excelente puedes pasar la distancia entre torre y torre y el diámetro del PVC pfv

Which variety of lettuce is this

at 653 now i understand why this system was discontinued, it barely touches the net pots, as such the lettuce or plant will be deprived. In the philippines we just use a heat gun to soften the pipe, then insert a bottle with a bottle with the same size dimension as the net pot to be used, just a suggestion.

very good

so nice, beyond imagination,i am interested join u, let me know the address and contact no.

How does one harvest the produce from such large grow tables?

you can buy a longer net pot so it will reach, at least, the middle of the main pipe. I bought a transparent pot and find it much better with this black pot. just a suggestion.. ;-)

You mentioned you discontinued grow trees ? why ?

How do you get to the middle of the bench when it's time to cut your plants? Just walk on the white foam?

How is it going u still have it ? You make anh money or its just for your self

I’m doing something similar in my basement. I have 4 50 ga reservoirs. One for each variety or do you think I could mix several in one and harvest several varieties at once vs more of a single cultivar per reservoir.

What ppm do u run at ? Mostly a nitrogen fertilizer or more a balanced 20-20-20 or better yet what fertilizer do you use. Thanks!

Tip: watch this video at 1.25x playback speed

Amazing it served as a source of inspiration for my system

awful music.