Where Should You Place Your Net Pots in a Deep Water Culture System?

Where Should You Place Your Net Pots in a Deep Water Culture System?

I’ve gotten this question so many times that it’s about time I answer it on the channel! When growing in a Deep Water Culture (DWC) system, many people write in and ask, “Where should the bottom of my net pots be in relation to the nutrient reservoir?”

It’s a good question, and the answer is pretty simple…so watch and find out!

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50 Comments

  1. Christopher Attardi on August 18, 2023 at 7:03 pm

    I honestly love this video and your channel! I have a quick question though if that’s cool? Should you ever leave an air pocket between the water level and the net pot in a recirculating system, and if so how much space should there be? In my system, there are multiple air stones running. However, my water levels are touching the bottom of the net pots, and I feel like I am drowning the roots or potentially going to harm the plants somehow. What should I do in your opinion with the water levels?



  2. Rocky Rocky on August 18, 2023 at 7:03 pm

    Can we use coco peat?



  3. John Cook on August 18, 2023 at 7:03 pm

    Will it help if you dropped the level of the nutrients solution after roots have taken to give more oxygen to roots just a thought



  4. KIPROCK on August 18, 2023 at 7:04 pm

    Thanks for clearing that up for me ,I’m starting my first dwc very soon,I also like your light for seedlings/cuttings just wondering ware I can get one,,



  5. OG Rad Grow on August 18, 2023 at 7:06 pm

    Great video 👍🏾



  6. Jungle Man on August 18, 2023 at 7:07 pm

    Can you do this with tree cuttings?



  7. Benita Evert on August 18, 2023 at 7:07 pm

    Thank you, for your advice, I am just starting up my hydroponic project and sometimes do have quite a few questions. Thanks again.



  8. The Plug Studios on August 18, 2023 at 7:08 pm

    What size nets are he using?



  9. Swatej K on August 18, 2023 at 7:08 pm

    Interesting video, good ideas shared, can you please create a Playlist of all the videos made related to Hydroponics on your channel? it would be much easier, Thanks in advance. 🙂



  10. Marlene Lelonek on August 18, 2023 at 7:08 pm

    Where do you get the air stone?



  11. The H A I K U K I N G on August 18, 2023 at 7:09 pm

    I’ve tried and failed enough times to really appreciate this tip.



  12. Rob Jones on August 18, 2023 at 7:09 pm

    Like the video because it solves a practical problem. My current system uses overhead drip to get the roots growing, then once the roots are out of the net pot, I put water line just above the bottom of the net pot, start the water stones, then I keep overhead drip irrigation pretty much forever to replenish the water.



  13. deedledaddle on August 18, 2023 at 7:09 pm

    Hi! Im really glad I found you….im new to hydroponics…trying the Kratky canning jar method for herbs, greens and hopefully small cukes strawberries too..My jars are covered with paper, I have 6 jars planted…the seeds have popped but immediately became leggy… My question is without needing a degree in math or purchasing measuring instruments..what is an EZ way to determine how long to leave the grow lite on an how close should it be to the plant? I have a 12×12 in led (red/blue) combo led light…thanks so much for answering your peeps posts…no one around here is into hydroponics…so having to rely on youtube for my info. (don’t use F-book)



  14. George Emmanuel on August 18, 2023 at 7:13 pm

    I have tomatoes i dft system they start ok now they saging



  15. Eric Russell on August 18, 2023 at 7:14 pm

    can i use a peat pellet to grow my tomato from seed hydroponically?



  16. Dave Cruikshank on August 18, 2023 at 7:17 pm

    I know this is a 4 year old video but I have a question please. I’ve been trying to grow tomatoes in DWC. My cherry tomatoes are going gangbusters. But tried Big Boy purchased as starter plants from Lowes. Both have not been successful. The leaves curl and get spotty the flowers drop. Could the issue be I’m using small River pebbles for medium which definitely is not a wicking medium. Both already had long roots when I started that reached the nutrients and I left air space. It has been very hot days in the 90’s. Plants are outside partial sun. Thanks



  17. Dimitris Tripakis on August 18, 2023 at 7:19 pm

    I’ve been researching hydroponics for the last 8 hours and I must say I am disappointed. I have watched people use toxic PVC with PVC glue (even more toxic), rockwool (which is dangerous to touch, inhale and eat), and none of the videos addresses the issue of how long the seedling net pots take to develop roots that can actually touch the water. A lot of blah blah, and never touching the key subjects. Everybody is showing how to cut holes and connect pvc pipes, as if this was the hard part. Yours is as close it got, so good job on that. But even you, you describe solutions that are unreliable, like top drip and air bubbles. Thanks thought, as I said yours is the best video on the subject anyway and your channel is very good.



  18. Dean on August 18, 2023 at 7:21 pm

    Moving into my first house soon, and I’ve recently subscribed, love you videos, I am a plant lover by heart but an IT engineer as my day job. I am binging all your videos, from suncalc.org helping me understand best sunshine spots to grow, to the easy mistakes first time growers have.

    Love from South Africa!



  19. Hedgehodge on August 18, 2023 at 7:26 pm

    is it possible to have TO MANY bubbles which would cause overwatering with this correct placement? Would we want to lower the water level some if lots of bubbles?



  20. Vijayanathan Stephen on August 18, 2023 at 7:30 pm

    🧡🧡🧡🧡



  21. Annie Clore on August 18, 2023 at 7:32 pm

    lower the volume on the music please – loud music is making it hard to hear you and I have to raise the volume. thank you



  22. Sibakong on August 18, 2023 at 7:33 pm

    Thank you for the information sir.



  23. janice baker on August 18, 2023 at 7:35 pm

    I’m mostly interested in hydroponics. I just love the life of plants, seeds to produce!! Also interested in companion gardening even in hydroponics. Love watching your informative videos.



  24. Mountaintop Horticulture on August 18, 2023 at 7:39 pm

    When changing nutrients on a DWC setup, do you refill the container back to the top of the net cup or back to the level it was at before changing the nutrients? Plants have roots



  25. cesar gr on August 18, 2023 at 7:40 pm

    Great video, with quality information.



  26. Hedgehodge on August 18, 2023 at 7:40 pm

    my leaves are droopy and i couldnt figure out if i was overwatering or underwatering, i placed them right where you showed. I tried letting them dry out and also tried cranking that airstone all the way up. very slow growth for a week, still on first set of leaves out of seed…should i add nutes yet or hold off. i think i moved them to the dwc system to soon out of the germination pod, i saw a tiny root like yours and said! and moved over to clay and netipot. from netipot to water level it was a good 3 inches (eventually made it down there) (is that why its growing slow, or lack of nutes)



  27. Johnny Portis on August 18, 2023 at 7:41 pm

    I’m getting ready to experiment with growing a small mandarin tree in a hydroponic DWC bucket. Very new to it. Can you do a video or at least provide some information on growing citrus trees in hydroponics? Always enjoy your videos. Thanks



  28. Devin Lawrence on August 18, 2023 at 7:42 pm

    I created a RDWC. But the water level is too high. Can I put clay stones under the Rockwood to create a space between the water and the bottom of the Rockwood? I am having tonns of problems…we are going through a heat wave as well….Thanks for the video!



  29. opheliascatz on August 18, 2023 at 7:43 pm

    Thank you!!!



  30. Christopher Attardi on August 18, 2023 at 7:44 pm

    Thank you for sharing this video



  31. PillowChase on August 18, 2023 at 7:44 pm

    THANK YOU!! LIKED AND SUB!



  32. Jervin Trapp on August 18, 2023 at 7:44 pm

    Great Content❤



  33. Jay Ko on August 18, 2023 at 7:45 pm

    Do u flush yer veggies before u eat them



  34. Vivian Cutler on August 18, 2023 at 7:45 pm

    Great Video!!! Do I have to cover the Mason jar so light doesn’t penetrate? 
    Where is the Air Stone? How does it poke out the top to the pump?
    Thank You!!!



  35. kris pen on August 18, 2023 at 7:46 pm

    wrong,deep water means deep water



  36. Ricky Rush on August 18, 2023 at 7:47 pm

    Very helpful in many ways thanks



  37. Vinicius Valerio on August 18, 2023 at 7:47 pm

    You replied a question I had for so long, reason why I didn’t go ahead and start my DWC until now.. I’m sure what to do, thanks for the video!



  38. Brad Ulberg on August 18, 2023 at 7:47 pm

    Great video! Thank you very much for the info



  39. prock fisherman on August 18, 2023 at 7:48 pm

    My tap root has finally reached the water. Should i wait for a few more before lowering the water level?



  40. Tobie Wolmarans on August 18, 2023 at 7:49 pm

    Thank you. This is very important. 👍



  41. Mike Disher on August 18, 2023 at 7:50 pm

    Not necessarily some yes some no, Swiss chard no, it’s better to use a deeper netcup, and most of it needs to be submerged. But with kale yes you can having spacing👍



  42. Zaazaa on August 18, 2023 at 7:52 pm

    Thank you so much for the in-depth answer that I was looking for white Will Smith.



  43. HyungJoon Park on August 18, 2023 at 7:53 pm

    Yeah answer I’ve been searching right there



  44. Dale Ziegler on August 18, 2023 at 7:54 pm

    Great channel. Tons of info. Let me ask, how do you use strawberry bare root in a air stone auroponics?



  45. Darrell Leong on August 18, 2023 at 7:56 pm

    Why not just fill the mason jar up to the base of the rock wool? The wicking action would keep the entire cube moist enough. Relying on an air stone would require the set up to be near an electrical outlet.



  46. erikssonown on August 18, 2023 at 7:56 pm

    I imagina a piece of string from the rockwool down to the reservoir as an actual wick might work as well if you want to just set a kratky and not keep track of the moisture levels.



  47. gloop on August 18, 2023 at 7:57 pm

    what if all i have are leca balls and my roots are not showing at the bottom of the mesh pot yet? also, what if it’s a plant that has matured in leca but now i have to repot (again, in leca)?



  48. David Fortis on August 18, 2023 at 7:57 pm

    Ive been a garden lover ever since i was a kid growing with my grandparents every summer…..my thumb is mad green!! Its nice have someone my age with the same passion.
    Cannabis is now legal in Canada, 2020 being our first legal outdoor grow season. Id really like to see you do videos on the topic…..indoor..outdoor. soil hydro stress training nutrients…. the list goes on….
    Plz plz plz 🍒cheers mate



  49. Lazy Roo on August 18, 2023 at 7:58 pm

    THANKS FOR GREAT INFO



  50. ash sherman on August 18, 2023 at 8:00 pm

    NOW I AM WORRIED THE MEDIUM SHOULD BE TOUCHING THE BOTTOM, YES OR NO?

    Anyone seen this recently? I definitely having trouble with my first DWC from vivosun 4 pot set.

    I didnt wanna soend loads on ebb n flow or any other exoensive system at least until i actually nail this qnd can get DWC right

    I have only d8ne soil but the 30% plus added growth interests me the most. I’ve noticed a humongous diff between a soil and a dwc bucket for same exact cuts in sane exact lighting so really, i feel like if i can dial this in its easier to be honest(once u dial in whichever systen you have)

    But yeah, …so i am mostly going cheap for the exact reason as I’ve never done it successfully b4. (I had an ebb n flow but the guy i had set it up acter like he knew his stuff but 8n the end it was almost worthless but mostly dur to my lack of kbowledge ,kike reading a olant by seeing how wet the medium can be. Ya need that not soaked but moisr and lots of trouble getting that dialed in.

    I have top drip and airstone, top drip is supposed to get it to whete the roots finally reach the bottom of the net.

    NOW I AM WORRIED THE MEDIUM SHOULD BE TOUCHING THE BOTTOM, YES OR NO?