SKU: 35944880541
deep water culture hydroponic 4-plant system

deep water culture hydroponic 4-plant system Buy RDWC Hydroponic System 8 Gallon 4-Site

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Description

deep water culture hydroponic 4-plant system Buy RDWC Hydroponic System 8 Gallon 4-SiteMaximize your plant growth with the 4 Site 7. 9 Gallon RDWC Hydroponic Grow System! Designed for serious growers, this Recirculating Deep Water Culture (RDWC) System provides your plants with continuous access to oxygenated, nutrient rich waterresulting in healthier plants, faster growth, and higher yields. With four 7. 9 gallon grow sites connected via 50mm PVC piping, this system is ideal for growers using a 4'x4' or 5'x5' grow space. A powerful 400

Maximize your plant growth with the 4-Site 7.9 Gallon RDWC Hydroponic Grow System! Designed for serious growers, this Recirculating Deep Water Culture (RDWC) System provides your plants with continuous access to oxygenated, nutrient-rich water—resulting in healthier plants, faster growth, and higher yields.

With four 7.9-gallon grow sites connected via 50mm PVC piping, this system is ideal for growers using a 4'x4' or 5'x5' grow space. A powerful 400 GPH submersible pump keeps nutrients evenly distributed, while a 35 L/min high-capacity air pump ensures optimal root oxygenation. Includes ball valves for recirculate or pump-to-drain 

RDWC System Dimensions:

  • 2 Site 7.9 Gallon RDWC System, 38" x 19"
  • 4 Site 7.9 Gallon RDWC System, 38” x 43.5”
  • 6 Site 7.9 Gallon RDWC System, 38” x 68.5”
  • 8 Site 7.9 Gallon RDWC System, 38” x 93”

Additional accessories available with our 8 Gallon RDWC:

Upgrade your hydroponic setup and grow like a pro with this powerful RDWC system!

Includes:

  • 2 x 7.9 Gallon ‘pass-thru’ Grow Site (12.5" x 12.5" x 16.25") with Lid and Net Pot
  • 1 x 7.9 Gallon ‘left-corner’ Grow Site (12.5" x 12.5" x 16.25") with Lid and Net Pot
  • 1 x 7.9 Gallon ‘right-corner’ Grow Site (12.5" x 12.5" x 16.25") with Lid and Net Pot
  • 1 x 7.9 Gallon Reservoir (12.5" x 12.5" x 16.25") with Lid
  • 2 x Straight Connector PVC Tubes with Large Silicone Rubber Seals
  • 1 x XL Tee Connector PVC Supply Tube with Large Silicone Rubber Seals, Straight and Right-Angle Union Connectors
  • 2 x XL Right Angle Connector PVC Tubes with Large Silicone Rubber Seals
  • 1 x Water Supply Ball Valve Assembly with Straight and Right-Angle Union Connectors
  • 1 x Drain Outlet Ball Valve Assembly with Straight and Right-Angle Union Connectors
  • 1 x 400 Gallon/Hour Submersible Recirculating Water Pump
  • 1 x Bottom Draw Pump Fitting for Recirculating Pump
  • 1 x 3/4" Water Supply ‘T’ Assembly with 1/2” Thread Pump Connector
  • 1 x 3/4" Water Supply Tubing (7')
  • 3 x 3/4" Hose Clamps
  • 1 x Bulkhead Fitting with 14mm Red Cap
  • 1 x 3/4" Drain Tubing (5')
  • 1 x 35 L/min High-Capacity Super Quiet Air Pump with 10 Outlets
  • 2 x 30’ x Black Air Tubing
  • 6 x Cylinder Air Stones (4” x 2” Dia.)
  • 1 x Fitting Wrench
  • Instructions
  • 6L Clay Pebbles
  • 4 x 6" White Foam Collar for Net Pot
  • 1 x Foam Insert for Reservoir Lid


 Did you know?

  • RDWC systems grow healthier plants with greater yields, in less time by providing plants with continuous access to water, oxygen, and nutrients
  • Oxygenated water enables the plant roots to absorb nutrients more efficiently, increasing plant growth rate substantially
  • Nutrients are evenly distributed to each connected grow site and maintain a consistent level across all grow sites
  • The constant flow of water helps prevent algae, bacteria, and fungi from growing, while also keeping plant roots clean and healthy
  • RDWC systems are relatively low maintenance; Check nutrient solution often and top up the as needed through the central reservoir; change the solution in the reservoir every one or two weeks

FAQs

Q: What size footprint is the system?

A: Artisun Technology's 4 Site 8 Gallon RDWC System is designed to fit into a 4’x4’ or 5'x5' footprint. The Overall size is 38" wide by 43.5" deep

Q: How frequently should you add nutrient solution to an RDWC System?

A: The reservoir level should be checked daily and topped up when needed. The nutrient solution consumption rate of the plants depends upon the type, size and growth phase of the plants.

Q: How frequently should you change the nutrient solution in an RDWC System?

A: The nutrient solution should be drained and replenished every 1-2 weeks, depending on the type and size of the plants.

Q: Is RDWC better than DWC?

A: An RDWC system goes beyond a DWC system by actively recirculating the nutrient solution continuously through the connected grow sites with a water pump, ensuring consistent nutrient delivery, pH, and oxygen levels across all grow sites. RDWC is better for multi-plant systems because it is much easier to maintain and monitor than a DWC system, as all of the grow sites are connected to a central reservoir. Topping up, testing, and nutrient replenishment are all managed from the main reservoir.

Q: Can I grow different plants in the same RDWC system?

A: It is best to grow all the same type of plant, with similar nutrients and pH needs, to avoid imbalances across the system.

Shipping Notes
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SKU: 35944880541

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4.4 ★★★★★
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J
Jody Yoo
Houston, US
★★★★★ 5
You could pay a lot more, but why would you?
Size: 6.0 Qt, Color: Linen Gray
Technically, this is a French oven, which is enameled. A Dutch oven is bare cast iron. I like these mainly for baking bread. The French oven traps the moisture coming out of the bread, and converts it to steam, which is essential for a good crust. (Search 'Jenny Can Cook no knead bread' for a recipe that is so simple and effective and forgiving that you will find it hard to believe it works, even after you've done it dozens of times.) Long ago, I got a Le Creuset just like this, for about 10 times the price. I worked like crazy to keep it looking like new, but before too long, it looked like something from Goodwill. As a test, I just made two loaves of bread, one in the Le Creuset, one in this, and I could not tell the difference. It may be that down the line, the Amazon Basics will crack, or sustain some damage to the enamel, or something like that. But I could replace it 9 times before spending as much as I spent on the Le Creuset! As far as I can tell, you're getting the same quality, without paying for the name. Why wouldn't you do that?
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Reviewed in the United States on June 1, 2026
A
AMD1214
Boise, US
★★★★★ 5
Very nice cast iron, enamel coated Dutch Oven! Good price too.
Size: 6.0 Qt, Color: Clay, Size: 6.0 Qt, Color: Clay
Very nice cast iron, enamel coated Dutch Oven! Although this is an Amazon Basics product, there isn't anything basic at all about it - heavy weight, evenly distributed enamel color, nice alignment between lid and body and dimpled under lid lining (which is normally on more expensive pots). The dimples under the lid are designed to help "self-baste" when cooking roasts, etc. The steam and liquid produced while cooking wraps around inside the lid and each of the dimples drips the liquid back into the dish evenly. I have a more expensive pot with this feature, but none of my cheaper ones have it. My first cook in the pot (small roast w/vegetables) turned out great, with minimal staining. After cooking, the cleanup was a snap with no issues getting it pristine. I do know after extended use (experience with my other pots) there may be some darkening of the interior enamel or some "seasoning stains", but that's to be expected. Overall a really nice pot for the price...should last a long time and be a trusted piece of cookware.
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Reviewed in the United States on June 2, 2026
B
book worm
Omaha, US
★★★★★ 4
Has some casting/finish imperfections, but functions well...
Size: 6.0 Qt, Color: Olive
I had been shopping for an enameled cast iron pot for a while when I saw this one, so I thought I'd check it out and see whether it was comparable in quality to the ones I'd looked at. The exterior of this Chinese-made Amazon Basics Cast Iron Dutch Oven is a lovely subtle green enamel, and the inside is warm cream color: I do love the color. In the particular pot I received, though there are some irregularities in the casting of the cast iron itself, though, leading to an uneven/pitted interior surface in places, which is both visually obvious and easy to feel when running one's fingers over it. There were also a couple little rust spots in the exposed bit of cast iron at the rim of the pot, easy enough to fix but something that suggests this pot was stored in a more damp/humid location. I'm picky about my cookware, so I found the uneven interior surface flaws disappointing and have a few concerns about how easy the pitted area will be to clean. That being said, the pot does heat well and evenly and performs as one would expect a cast iron Dutch oven: I made a roast and then stew in this pot, and both meals came out well. So while this cast iron covered pot doesn't match the quality of the ones I'd previously looked at, the retail price point is also lower, so this might be a good entry-level cast iron enameled pot for someone who doesn't mind a few finish imperfections.
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Reviewed in the United States on May 30, 2026
J
Julie
Massapequa, US
★★★★★ 5
Large capacity and great price! This is a steal!
Size: 6.0 Qt, Color: Linen Gray, Size: 6.0 Qt, Color: Linen Gray
I bake a LOT of sourdough bread, and this dutch oven is a super heavy-duty cast iron with an enameled finish. It's flawless and spreads the heat evenly when baking. The clean up is easy--I just spray a touch of dish soap and use a damp washcloth to rub it clean. Rinse thoroughly and allow to air dry. I put a touch of oil around the exposed rim to keep in seasoned and rust-free. The lid knob as well as the side handles make this easy to handle and helps distribute the weight when removing it from the oven. The included rubber rim protectors are a nice touch, and I use that on all of my cast iron when storing them away. The price on this is amazing for such a large 6-quart capacity. I find this to be a super value and would highly recommend this Dutch oven.
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Reviewed in the United States on June 2, 2026
J
Jef Mehr
Whiting, US
★★★★★ 5
Fantastic Dutch oven. VERY thick and heavy and cooks really evenly because of that.
Size: 6.0 Qt, Color: Olive
This thing is fantastic!! SUPER heavy-duty Dutch oven...it weighs almost 2x as much as my other Dutch oven which shows how thick the cast iron is beneath the enamel. It is absolutely solid and heats up nice and evenly on the stove top. The ceramic surface inside of it is really nice and fairly non-stick. I've cooked Curry and meatballs in it so far and cleanup was easy for both even though the meatballs burned a little on the bottom (I forgot to check on them and walked away). I haven't tried it with bread yet, but I can only assume it will work great for that as well because of how evenly it cooked my other foods. This has become my favorite Dutch oven even though I have one that cost almost 2x as much. (this one is thicker, heavier, and cooks more evenly than that one). I cannot recommend it enough.
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Reviewed in the United States on May 30, 2026

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