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Description
self watering trays for plants AutoPot Tray2GrowAutoPot Tray2Grow Happy Hydro Water your plants automatically. No pumps, no timers, no daily checkups. The AutoPot Tray2Grow is a gravity fed, completely passive irrigation system that keeps your plants hydrated on their terms, not yours. No pumps. No electricity. No forgetting. It uses a precision AQUAvalve5 to release water only when the tray runs dry, so roots never sit in standing water and you never come home to stressed plants. Whether you're
Water your plants automatically. No pumps, no timers, no daily checkups.
The AutoPot Tray2Grow is a gravity-fed, completely passive irrigation system that keeps your plants hydrated on their terms, not yours. No pumps. No electricity. No forgetting. It uses a precision AQUAvalve5 to release water only when the tray runs dry, so roots never sit in standing water and you never come home to stressed plants. Whether you're starting seeds, running microgreens, or growing in fabric bags, the Tray2Grow handles all of it from a single tray. It's the most versatile product AutoPot has ever made.
Build your kit
Choose your configuration
Planter and tray add-on
- Standard: tray, lid, 4 seed trays, capillary matting, 10 capillary spikes
- + 23.5 gal planter: adds the large fabric planter box for growing bigger plants directly on the tray
- + Microgreen trays (2 sets): adds 4 trays (2 with holes, 2 solid) for dedicated microgreen production
Standard option includes everything needed for seeds, pots, and grow bags.
Reservoir add-on
- None: connect to your own existing reservoir
- 6.6 gal FlexiTank: compact option for seed starting and microgreens indoors
- 13 gal FlexiTank: good for most indoor setups, refill roughly once a week
- 25 gal FlexiTank: recommended for grow bags or outdoor use in warm climates
- 60 gal FlexiTank: longest intervals between refills, best for larger setups
Not sure which tank? Call or email us: 716-217-0353 / [email protected]
Side by side
How it stacks up against hand-watering
Hand-watering / basic drip timers
- Requires daily attention. Miss a day and plants stress.
- Electricity or battery-powered timers can fail at the worst time
- Over- or under-watering is common without close monitoring
- Locked into one method. Can't switch between seed trays and grow bags.
- Nutrient runoff and water waste add up quickly
- Setup can be fiddly, messy, and hard to level correctly
AutoPot Tray2Grow
- Fully automated. Gravity and capillary action do the work.
- Zero electricity needed. No pumps, no timers, nothing to plug in.
- AQUAvalve5 delivers water only when the tray is dry. No guesswork.
- Five watering methods: seeds, microgreens, pots, grow bags, coco slabs
- Closed-loop system minimizes runoff and dramatically cuts water waste
- Spirit levels and grommet fittings included. Levels perfectly every time.
What makes it different
Built for how growers actually work
One tray, any growing method 5 methods
Seed trays, microgreens, small pots, grow bags, coco slabs. Switch between capillary spikes and capillary matting to support any setup without buying a different system.
Zero electricity required
Gravity does the heavy lifting. The AQUAvalve5 uses a simple float mechanism with no pumps, no timers, no batteries. Nothing to fail during a heat wave or a power outage.
AQUAvalve5 demand watering
Water only enters the tray when it runs dry, not on a timer. Plants drink what they need, when they need it. No standing water. No root rot from overwatering.
Dramatically less water waste 50% less water
The closed-loop system recirculates unused water back through the valve. No runoff trays to empty, no nutrients lost down the drain. Just efficient, targeted delivery.
Gravity-fed from any reservoir
Connect to one of the included FlexiTank options or hook straight into your existing reservoir. The tray sits below, no lifting or pumping required.
Compact, bench-ready footprint
At 44" × 16.2", the Tray2Grow fits standard growing benches, rolling racks, and grow tent shelves. Spirit levels and all hardware included. Level it once and you're done.
Specs
What's in the box and how it's built
Tray dimensions
44" × 16.2" (112 × 41 cm)
Seed tray capacity
Up to 4 AutoPot seed trays
Valve type
AQUAvalve5 (included)
Watering method
Gravity + capillary action
Power required
None. Fully passive.
Reservoir options
6.6g, 13g, 25g, 60g FlexiTank
Growing methods
Seeds, microgreens, pots, grow bags, coco slabs
Max planter size
Up to 23.5-gal fabric planter
In the box
Everything you need to get growing
Included with every kit
- 4× Standard seed trays
- 1× Capillary matting (for pots & seed trays)
- 10× Capillary spikes (for grow bags & soil bags)
- 1× Tray2Grow tray & lid
- 1× AQUAvalve5
- 2× 3/8" grommet
- 3.3 ft of 3/8" tubing
- 1× 1/4" overflow grommet
- 3× Circular spirit levels
- 1× Root control sheet
- 1× Anti-slug copper tape
How the system works
1
Fill the reservoir
Water (with or without nutrients) goes into your reservoir. Gravity pulls it toward the tray. No pump needed.
2
AQUAvalve5 takes over
Once the tray runs dry, the float valve opens and lets in just enough water to fill it, then closes. No timers, no sensors to calibrate.
3
Capillary action feeds roots
Spikes or matting wick water up into your substrate, bottom-up on demand. Roots stay consistently moist without sitting in standing water.
4
You just refill the tank
The system runs itself until the reservoir is empty. Check it every few days. Refill less often if you sized up to a larger tank.
Questions
Frequently asked questions
Yes, and it's probably the most beginner-friendly automated system we carry. There's no programming, no app, no schedule to set. You fill the reservoir, connect the tubing, level the tray with the included spirit levels, and you're done. The valve handles everything else. Most growers have it running in under 30 minutes. We also have the full setup PDF and if you get stuck, call us at 716-217-0353 and we'll walk you through it.
It's designed for outdoor use. The tray includes an overflow plug that prevents the tray from filling beyond a safe level, so a heavy rain won't drown your plants. Fabric grow bags drain quickly, and as long as your substrate has decent drainage, you'll be fine. We'd still suggest going with a 25-gallon or larger tank outdoors so you're not refilling constantly in warm weather.
That depends mainly on how large a reservoir you choose. For seed starting and microgreens indoors with a 13-gallon tank, most growers refill once a week. If you're running larger fabric bags outdoors in a hot climate, you may need to refill every 2–3 days with a 13-gallon tank . Or move up to the 25 or 60-gallon FlexiTank for true set-it-and-forget-it coverage. If you tell us your setup we can give you a better estimate.
Both work fine. The system is fully compatible with liquid nutrient solutions. Just mix your nutrients in the reservoir at your normal dilution rate and the valve delivers it to the tray on demand the same way it would with plain water. The included golf filter helps keep particles from clogging the valve. Rinse it periodically, especially if you're running thicker solutions.
Here's a practical guide: If you're primarily doing seed starting or microgreens indoors and can check on things every week, the 13-gallon FlexiTank is plenty. If you're growing in multiple bags outdoors in a warm climate, or you want longer intervals between refills, go with 25 gallons minimum. The 60-gallon FlexiTank is for larger operations or anyone who wants to set it and check it once every week or two. When in doubt, size up. A bigger tank never hurts, and you can always partially fill it.
Both are included with the standard kit. You get the capillary matting for seed trays, microgreen trays, and pots, as well as 10 capillary spikes for grow bags and soil bags. You don't need to buy accessories to get started with any of these methods. The only additional items are the optional microgreen trays (4-pack) and the raised planter box, which are add-ons if you need them.
If you receive a defective or damaged unit, email us a photo at [email protected] and we'll make it right immediately: replacement or refund, your call. For change-of-mind returns, we accept returns within 30 days for items in new, resalable condition. If you're not sure whether this system is right for your specific plants or grow environment, call us first at 716-217-0353. We'd rather answer your questions before you order than deal with a return afterward.
Happy Hydro has been selling growing equipment since 2006. We've carried AutoPot for years because the systems work great and customers who buy them leave happy. Have questions before you order? Call 716-217-0353 or email [email protected]. We're easy to reach and happy to help!
Questions? We're easy to reach.
Happy Hydro has been serving growers since 2006. Call or email us before you order, after you order, or any time something comes up. When you're happy, we're happy.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
The basic set-up is relatively easy which was a big plus for me......
First let me start off by saying that I am not an audiophile. So, this review will not get into the weeds of the more complex settings this receiver is capable of. For example, the Dirac room measuring option. No way was I attempting to mess with that. Especially, after reading that some reviewers who actually have experience with Dirac found it could be confusing/difficult to set up. Besides I come from a previous Onkyo the TX-SR607 which had the AccuEQ Room Calibration similar to this receiver, so I used that instead with no issues. As far as hooking up the speakers it's pretty straight forward. If you have banana plugs, use them, seriously. I originally planned on using banana plugs but in order to save time I decided against that. But I wish I had taken the extra time to go with bananas because trying to thread the speaker wire into the speaker terminals is tedious, there not much room between the terminals and even me with my skinny fingers struggled a bit. Wish Onkyo designed their terminals side by side, but I think only Denon does that. Anyway, after all the speakers were connected (I'm currently using a 5.1.2 setup) and I connected my tv, Blu-ray player, CD player, etc., etc., I ran the AccuEQ Room Calibration, and I was good to go. I did change the some of the settings like speaker volume that AccuEQ has set but nothing major. I have noticed that I need to turn the volume up much higher on this Onkyo than on my previous one. What I mean by that is that on my previous Onkyo I would set the volume indicator at around 30-35 tops for movies. With this one it's more like 40-45, maybe how the volume is measured is different on this one. The sound is excellent for movies and music I have no complaints there. I have only tried a few of features so far like Airplay but will dig deeper into the manual (I downloaded from the internet) as time goes by. I will say as far as build quality is concerned it's not bad, but IMO my old Onkyo, a 2009 model, had the look and feel of a more expensive receiver. But it's what's inside that matters most so hopefully this one last as long as my previous Onkyo.
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Reviewed in the United States on February 22, 2024
★★★★★ 1
Sound unexpectantly blasted for no reason. It malfunctioned!
I spent hours between installation and set up! I had to return it. I turned on NET (network) to play Sirius Xm and the volume was low but after a few minutes the sound turned all the way up to maximum completely on its own? This happened at least two more times. I contacted ONKYO and was told it is clearly defective and that their is no solution to correct the problem, and that I should return it immediately! I purchased the newer model and am pleased with its performance! It’s unfortunate because the first one that had the issue with the sound really played nice, but having sound change its volume so suddenly to its full capacity was not what I expected, nor felt comfortable enough to keep as I said I was told to return it, which I did! My advice here would be to purchase the newer model, which seems to be much more stable in its performance, and the quality is excellent.
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Reviewed in the United States on November 29, 2025
★★★★★ 5
Absolutely Love This Receiver
The Onkyo TX‑NR7100 has completely transformed my home theater. The sound quality is rich, detailed, and powerful, and the 9.2‑channel setup gives movies and music a level of immersion I didn’t realize I was missing. Dirac Live right out of the box is a huge win — the room correction made an immediate, noticeable improvement.
Setup was smooth, the interface is clean, and everything from streaming to switching inputs feels fast and reliable. It also plays perfectly with the rest of my system, and the THX certification really shows in how cinematic everything sounds.
I absolutely love this receiver. It’s one of those upgrades that makes you wonder why you didn’t do it sooner.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Incredible 9.2 Surround receiver at an unbeatable price.
I may return at a future date to give a more complete review, but others that are much more knowledgeable about audio equipment than I have already done so.
For me, the Onkyo (Onkyo TX-NR7100 9.2-Channel 8K/4K Network A/V Receiver) replaced a much older (2001) TX DS787 5.1 100 W Surround receiver that listed new for around $1050. I probably didn't pay quite that much but certainly something near $900. It was great for its time, perhaps even advanced with THX, Dolby, and other listening modes.
But it didn't have: HDMI inputs or outputs, any BlueTooth capability, no hard wired or WiFi connectivity or basically any operating or connection modes that most all modern receivers have. This turned into a big problem with modern LED/LCD/OLED TVs, Alexa and other now common devices.
I bought my new Onkyo TX-NR7100 from Amazon for $625. Other retailers (e.g.Best Buy) advertise it for up to $1200, so Amazon's price is outstanding. Set up was far more complicated (for me) than any previous receiver that I ever owned, mostly because there were a very large number of back panel input and output jacks, to and from the TV, as well as speaker outputs for 9.2 surround.
Suffice it to say that once everything was connected properly (I made a few mistakes along the way), I was completely thrilled. The On Screen Display, completely accessible either from the front panel or the remote was far superior to anything I had ever seen before. Literally every operating parameter is accessible to the user. And I used most of them.
It is also completely WiFi ready so my 150 Gbit home Wifi network lets it connect wirelessly and stream music error free. BlueTooth is also another way to connect almost any device to it for audio and audio/video playback if you connect the digital connections to and from a modern TV. It also speaks and listens to Alexa, although I must confess that I haven't played around with that much yet.
This is already much longer than I had intended, so let it suffice to say that the Onkyo TX-NR7100 is an absolutely incredible receiver for an incredible price. I'd give it 8 stars if I could.
JM TEPPER
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Reviewed in the United States on November 7, 2024
★★★★★ 5
Sounds great.
Just received my Onkyo TX-NR 7100, watched a few YouTube videos before it arrived, so set up was easy. Ran accuEQ, I am getting new front speakers so I’ll wait to run Dirac. After accuEQ, I still had to make a few adjustments, to the speaker levels and especially the sub. It set my subwoofer way too low. As of right now having no problems with Bluetooth. I’ve only listened to music so far, can’t wait to watch a movie. For now I have a 5.1.2. System, getting new fronts, the Klipsch r51-m’s will go to the rear surround and Klipsch r41-m’s will be my height speakers in a 5.1.4 system. So far loving this avr.
Update 2: Just calibrated with Dirac for the 6th time. They tell you if you sit in a recliner, reclined measure with it reclined. Well I measured with the chair in its upright position. It makes a huge difference I hear the surrounds much better. Btw I listen to all channel stereo, I know audiophiles say it sucks, however I listened to 2 channel stereo for 20 years, when there was nothing else. I didn’t buy a 9 channel avr to listen to 2 channel stereo. Like Randy the cheap audio man says “ audiophiles aren’t always right. If it sounds good to you, that’s all that matters.” So try calibrating in the upright position, or if you sit on a stationary chair or couch, try positioning the mic slightly forward of your listening position. It makes a huge difference. Hope this helps, enjoy.
Update:
Ok bought Klipsch rp-600m speakers for the front with 52c center. 51m surrounds, 41m rear heights. Polk owm3 front heights. Why Polk? Lighter easy to hang and as height speakers they are only there for atmos. Ran Dirac live, the application does what it would take several hours to make it sound like it does, if I even could get it to sound so good. Apple TV 4K with my Hisense U8K. The google tv interface is ok, but Apple TV is faster and easier. The Onkyo 7100 is a gem, runs pretty warm but I have it out in the open. If you are going to put in a cabinet I suggest a fan. Very happy with the whole system.
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Reviewed in the United States on January 11, 2025