This is my first time into DWC, and before that I had been successfully growing on earth for a longer time. The plant itself looks quite healthy. But today I saw these brown spots. The plant hatched on October 15th and has been in the DWC since then. The tips of the roots have been in the water since yesterday. Fertilizer: AN Grow Micro Bloom 1ml per liter What could it be?

This seedling hasn’t grown in like 4 days or so, is it still ok? I was away and my ph shot up about 7 and ppm to about 800. I had to add nutrients because my other pot is about 3 weeks in and looking healthy ( had to replant this one already as it didn’t germinate).

I have been scouring the markets for a good hydroponic control system/logging system. I haven't found anything worth buying and decided to stick to my DIY system. The main thing that bothered me is the ecosystem you will be locked into and the price point of some of these options.

That got me wondering how do you guys log and control your system? And how much did you spend on it?

Hey all, I will be mixing my own nutrients for my ebb and flow hydro rig, I do not immediately have the money for all of the supplies for the micronutrients, but this includes ALL of the Macros, will it be enough? Any tips?

So, I got a tent, a lamp and some organic madame grow that I used for outside (fucked up the curing process and unfortunately wet trimmed and think I cut to much off) should I get Rockwool or pebbles ? Or perhaps another medium ? I have a ec ph meter in my shopping list and a rockwool pack. Not sure what else i need , a clip fan , 2 ? An airpump .... should I do drip feeding or dwc red of another method as well. O needa get a hydrometer (humidity thingy) any headers pointers would be greatly appreciated

Just happy with how my new setup is turning out and wanted some feedback from others on the design. Trying to get as much space used as possible!

Hi all!

Looking to give this thing a run for its money again after not using it for over a year and would like to try making my own plugs and using my own seeds rather than wasting money on their pods. Also planning on growing mostly herbs (chives, basil, rosemary, and mint)

With that said, I do have a few questions for those of you more experienced with hydro systems.

1. Any particular method/material for making your own pods that works better than others?

2. How long do you wait before you start filling the water reservoir?

3. Would General Hydroponics GH Trio work for fertilizer if adding to the reservoir? If not, what fertilizer would you recommend?

4. How do you keep your water reservoir clean/roots happy once plants are more developed? I have some EM-5 (BuildASoil) that I was thinking may be good to use, not sure though.

5. Is it necessary to aerate the water in the reservoir and if so, how do you approach this?

6. Are you guys PHing your water before filling the reservoir? m

Here are some of my thoughts for more context:

1a) I have seen people use peat moss plugs, coco-coir plugs, as well as just filling the Click and Grow cups with potting soil. I have potting soil (Coast of Maine seedling mix) on hand and would use this if this is a good option.

2a) My guess here is that you’d wait 1-2 weeks until you start filling the reservoir to allow root systems to develop as well as prevent the water going aerobic

3a) I’ve only had experience with GH trio growing weed, I imagine the amount you’d use for herbs is much less, but unsure as where I should start and with what ratios of each.

4a) Not much else to add.

5a) I am thinking that I could use a simple fish tank air pump to aerate the water, just not sure if this is something that should be running 24/7.

6a) From growing weed, I know PH is a big deal, and I believe even more so when doing Hydro, but that’s just my guess.

Any other tips and tricks are welcome and also just thank you in advance!

I have a Southeast facing side Hill in zone 5 Pennsylvania 1500 ft above sea level, that I would like to do a kitty litter jug vegetable garden outdoors using The deadfall wood for the terrace construction. Has anybody done this before?

Is my basil supposed to get that big? Never seen it before 😐

Hello, noob question. I am using a mix of coco coir and perlite as grow media. How long can I use the same media mix to grow vegetables. Do I need to change the coir & perlite media often?

Hello,
I want to switch to Hydro in growing Cannabis. But i can't decide for which system.
I think recirculating system make the most sense.

DWC: seems to be very high maintenance compared.
I am from Aquaculture and for me a reservoir recirculating with the actual culture is the most natural thing to do for me in terms of cleaning and parameter control.

rDWC: Seems the most accessible. Here my questions are: Cleaning? Do you need to clean or change containers during the run? Why are those Systems so expensive? - As I said, I am from Aquaculture and those setups selfmade is not much work and parts are fairly cheap. Flowrate? is basically faster = better?, but too fast and too much run-time for the pump, and you get temperature issues in you medium right? From my experience Airpumps are the larger heat source over submersible pumps.

Rockwhool-NFT: This is very very interesting: But here i really don't get how the watering in detail works.
As far as I understood its either drain-to-waste or recirculating. Here you have 2 ways of watering. One is the name-giving Nutrient Film which runs over a table where the Rock Whool sits on a rooting fleece and delivering moisture and nutrients to the plants + a drip-system watering from above. The cool thing here is that you can control your dry-stress of your plants (crop steering) but more expensive sensors are required to get some numbers for orientation. Here my main question is: What are the Flow rates + Pulses. Your read and hear a lot about the ppm and intervals but not about Volumes/Minute since its physics i am wondering about that. Usually people speak about the dry-back as decreasing moisture-levels. 100% is basically the moment it starts draining. Usually you try to maintain 80% moisture level over the day and let the dry back happen during the last hour(s) of light. EC goes up and you increase just with the next day your moisturelevel back, if EC is still too high you flush. So main Question: Is the anything here just pure water or do you always just use Medium, i heard you can also use a balance to determine the moisturelevel by weight, but its changing overtime as the plant grows: so here i see essential (apart from the normal probes, pH, ppm) to have decent moisture meters.

Coco: Everybody says coco is "the easiest" but except from being the best moisture retaining substrate, coming with a buffer i don't get why. Parameters are the same to control, and Coco is binding phosphates.. also here:
Can it be run only drain-to-waste, what is good moisture? Why is it concidered easy if the build up of Salts is pretty easy? the amount of Substrate needed compared to rockwhool makes it for me (in theory) harder to maintain: I mean i get that you can kill in rockwhool quicker, but apart from that its more or less the same.

Thanks for your help and please correct me if you notice i got something wrong.

What is the consensus on the best rate for strawberry EC? Google has many different opinions. Initially I was aiming for 1–1.2. I then had advice that said 1.2 -3.0… so intended to bump it up but over cooked it to about 2.4 (unknowingly). Still seems to be going fine for the last couple of weeks at that rate but I have now diluted it to about 2.0 (Albions in coir). Quite unsure now what I should be aiming for. Thanks.

Hello! I am a Junior Highschool student conducting a wick-system hydroponic research. We need to use research papers to use as a guide for our study. Does anyone have a link or know a title of any study that can help us?

I recently bought this from a reseller and the kit came preassembled but without any sort of instructions. Most of it seems pretty straightforward but I'm a little confused by the black tube in the second picture. It's pretty obvious that the bottom part is to provide the aeration, but the open part at the top confuses me. Is it to prevent a siphon from forming? Wouldn't it also prevent enough pressure from building up to aerate the water?

I haven't tested anything out yet as I wanted to make sure I understand how it works first.

https://preview.redd.it/0hrutm2gk7xd1.jpg?width=4160&format=pjpg&auto=webp&s=8f316785aa7221697cb3669f4a874aabd355871e

https://preview.redd.it/czv7wn2gk7xd1.jpg?width=4160&format=pjpg&auto=webp&s=af4d56e287a83628ec9174f148de560822aa66e9

I have a 25 gallon tank that I’m currently growing lettuce by the Kratky method. My lettuce is doing well even though I’m pretty sure the reservoir is excessively large. I’m thinking about adding a nft system (Amazon 54 plant) plumbed off the 25 gallon kratky tank. This is an outdoor setup and I’m in the desert of west Texas. I’m sure I’ll have to adjust the water level and understand that the set it and forget it of Kratky would not be but I’m curious if anyone has done this or sees any problems with it.

I have a 25 gallon kratky setup. I’m currently growing lettuce in. It’s probably a bit large for the amount of plants that I have growing but it’s working well. I’m thinking about adding a nft system off of this 25 gallon container. Does anyone have any advice or experience. I’m sure I will have to work with the water level and keep an eye on it more than just the set it and forget it method with kratky.