Best Hydroponic System for Growing Cannabis 2021

PowerGrow 4 Bucket Hydroponic System
(Last Updated On: December 5, 2022)

One of the best ways to grow cannabis is by using a hydroponics system. With so many different options on the market today, you may be wondering which ones are more suitable for cannabis growing.

After doing some research, we have come up with some systems that would be perfect for growing cannabis. Whether you are thinking of doing it on a larger scale, or you just want to have a few plants, we are sure that there is a product in this list for you.

Growing hydroponically indoors using LED grow lights and a 4×4 grow tent is perfect for a 4 bucket system. You can use pea or rockwool cubes or slabs depending on the system you select.

Best Hydroponic System for Growing Cannabis 2021

If you are looking for a system that can allow you to grow many plants at once and very quickly, this is one of the best hydroponics systems that you can purchase.

This system is a complete kit that can be installed wherever you intend to start your hydroponics garden as long as it will receive up to 4 hours of sunlight daily. Although you will have some assembling to do when you receive it, this system is very easy to put together.

It is easy to use and maintain as well. Check out some of its features below.


· Delivers oxygenated water and nutrients directly to plant roots

· Food-grade water pipes with no pollution

· Very easy to assemble and use

· Great for indoor or outdoor use

· Fast, convenient gardening

· Power strip not included

· Requires up to 4 hours of sunshine daily for best results

· Works well with a 15-20L reservoir tank


· It can be used with or without a time control system

· The water pipes that carry substances to the plants are of high quality and they deliver substances directly to the plant roots

· It is easy to assemble

· It is easy to use and maintain

· You can use it indoors or outdoors


You have to prepare a reservoir tank to go with the system, as well as a power strip


Even though you may have to spend a bit more to get this system set up, it is a fantastic set up for any hydroponics farm. It is particularly useful for persons who intend to do a much larger scale of farming since there are 90 sites in the kit.

[easyazon_link identifier=”B001PKQTFO” tag=”estagecraft-20″]General Hydroponics Waterfarm Complete Hydroponic System Grow Kit[/easyazon_link]

No matter what size plants you intend to grow, you can do it with this hydroponics system. It is able to grow small-, medium- and large-sized plants without any problems.

The buckets used for the system have a very uncommon shape—they are square. This allows them to hold more plants and plants of a larger size. One of the best things about this system, apart from its versatility in plant size, is its cost.

It is very affordably priced and is one of the most affordable systems that ranks highly among the hydroponics systems available on the market today.


· Can be used to grow small, medium and large plants

· Well-built for long service life

· Unique square design

· Can be used to create high-density and large installations

· Includes nutrient packs

· Systems weighs just about 12.5 lbs.


· It has a very durable build so it is able to provide many years of service

· You can use it to grow small, medium and large plants

· It is inexpensive

· You can plant items more closely together

· There is a water level indicator on the bucket


The reservoir is a bit small so you will have to replenish it often


Overall, this system is very well-built; it is clear that a lot of thought was put into it. If you are working with a smaller budget and you need a system that can get the job done, this is it.

It doesn’t matter what size plants you want to grow. You can do it with this hydroponics system.

[easyazon_link identifier=”B00DVQQI60″ tag=”estagecraft-20″]Deep Water Culture (DWC) Hydroponic Bubbler Bucket Kit by PowerGrow® Systems (4) 5 Gallon – 10” Buckets[/easyazon_link]

Whether you are new at hydroponics or you have been doing it a while, you will find that this system is very easy to use.

One of the best things about it is that it is expandable. You can start off with a small hydroponics farm and gradually increase it so it becomes pretty large. The system is not ridiculously expensive either.

It has a very reasonable price tag and for all the items that are included in this kit, the price seems to be well worth it. Based on how the system is set up, you can even grow 4 different plants in this system.


· Made in the US

· Allows you to grow 4 different plants in one system

· Easy to use and maintain

· Water level indicator

· Water drainage from bucket systems

· Includes air pump, air stones, air lines, basket lids, and FDA buckets

· Comes with instruction manual

· Expandable kit

· 1-year warranty


· You can expand the system easily so you can grow more plants

· You can grow up to 4 different plants using this system

· The buckets have a water level indicator so you will know when the water level is low

· There is a drain in the bucket so you can easily remove the water inside

· The kit comes complete with everything you need

· It is very easy to use and maintain


The pump may be a little bit noisy


If you are looking for a deep water culture hydroponics system, look no further. This is one of the best set ups that we found. Plus, it is expandable so you can start off small and eventually add more buckets to get a larger system.

[easyazon_link identifier=”B017Y8571C” tag=”estagecraft-20″]HTG Supply Bubble Brothers 6-Site DWC Hydroponic System[/easyazon_link]

Not a lot of deep water culture systems are able to produce professional results, but this HTG Supply Bubble Brothers Hydroponics System can get you those results.

It is a very practical system that is perfect for beginners as well as experienced hydroponics gardeners. The system is beautifully designed and is able to take a lot of oxygen to those plant roots in addition to the nutrients that they need to adequately maintain the plant’s health.

You can get bigger and healthier plants at a much faster rate when you use this system. Look at some of its features below.


· Package includes a 10L bag of clay pebble grow medium

· 41-W air pump (electrical)

· Assembly instructions included

· Includes air stones, air tubing, net-pot lids and low-profile buckets

· Weighs approximately 31 lbs.

· Simply to use

· Easy to maintain


· The hydroponics kit comes with everything it needs to function effectively

· It is very easy to use and maintain

· It is not very expensive to purchase

· You can grow up to 6 medium plants using this system


· There is no drain for the buckets so it is not easy to remove the water in it

· The pump is a bit loud


Looking to grow some mid-sized plants in a hydroponics garden? This could be the perfect solution for you. This system can easily grow 6 medium plants and you have everything that you would need for the system in this package.

[easyazon_link identifier=”B00CHEIO6Y” tag=”estagecraft-20″]Deep Water Culture (DWC) Hydroponic Bucket Kit 5 Gallon, 6inch[/easyazon_link]

This DWC system comes with only 1 bucket. Although it can be used by those who are experienced in hydroponics, it is a great start for beginners.

The system is easy to use and comes with everything that you need to get it up and running. The bucket even has a drain so you can easily remove the water.

Although it seems a bit pricey for one bucket, you get everything that you need to make the system work, and you can grow a very reasonably sized plant in the bucket.


· Complete hydroponics kit

· Comes with a 5-gallon bucket (FDA approved material), basket lid, air tubing, air pump, air stone

· Includes growing medium and seed starting plugs

· Water level indicator on bucket

· Drainage system for bucket

· System weighs approximately 8 lbs.

· 1-year manufacturer warranty


· It has a drain so you can easily remove the water

· You get all the components of the system in the package along with assembly instructions

· The water level is indicated on the bucket

· There is a 1-year manufacturer warranty


The pump is a bit noisy


This is a very low-maintenance, easy-to-use deep water culture system. It comes with everything needed for the system to work and it is not very expensive. It is perfect for beginners as well as professional hydroponic gardeners.


Taking all the features of these products into consideration, there is only one conclusion that seems fair regarding which product is the best. The General Hydroponics Waterfarm Complete Hydroponic System Grow Kit is our choice.

It is affordable, has all the features of more expensive systems and you can produce high-quality plants from it.

No matter what weed species you are growing, or how large you allow them to grow, this system will be able to handle it.


Hey I'm Dennis, Thanks for stopping by. I'm a Horticultural Expert in growing marijuana indoors and hydroponics. I will be sharing my expertise in growing marijuana with LED Grow lights.

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