Welcome to 7 Pot Club. I’m Rob.
🎵 I grow hot peppers 🎵
episode, I’m going to review the new
Greenjoy Indoor Grow Box, an all-in-one hydroponic
growing system. As someone who already owns
an AeroGarden Bounty, I found this Greenjoy
to be similar in many ways, but with more
than a few significant differences. Greenjoy
sent me this unit to test and review, and
I’ve been living with it for several weeks.
I’m now ready to start harvesting my first
herbs. I got my mine for free, but should
you shell out your hard earned money for this
product? I’m excited to tell you all about
it, and share my cheers and jeers, so that you
can make an informed decision. Let’s get
🎵My roots are in the water,
but I’m reaching for the sky 🎵
This Greenjoy Indoor Grow Box is the first
U.S. consumer product from Chinese company
4D Bios. I checked out their website, and
their main products are large hydroponic systems
for commercial growing. I was particularly
intrigued by their Containerized Grow Solution,
a fully-automatic hydroponic farm in a shipping
container, or even a large group of interconnected
containers. So they bring to the table a lot
of expertise and an innovative approach. So
how does their technology scale down to a
small tabletop unit for the home?
The first step in answering that question
is to unbox and assemble the unit. First,
I removed the outer box, revealing an inner
box with a carrying handle. I opened the lid
and found the following: installation, operating
and cultivation instructions, seed starting
tray and some other small parts and accessories,
like the planting caps and baskets. I removed
that layer and revealed the two pieces of
the planting panel that hold the baskets in
Next, I removed the LED panel and the water
reservoir. I was immediately struck by how
shallow it is compared to my AeroGarden. The
AeroGarden’s tank is over twice as deep.
On the bottom layer I found two nutrient solutions,
the four columns that hold up the top, a plastic
tube for pumping water out of the unit, and
the power cord. Attached to one of the columns
is the pump which sits on the bottom of the
Here’s everything laid out on the dining
room table. There were tiny bits of styrofoam
debris on the various pieces, so I vacuumed
that away before I started to assemble the
unit. The assembly instructions are pretty
straightforward, and looked like they would
be fairly easy to follow.
The first task was to insert the columns into
the base. There are numbers on each column
that match numbers on the base of the unit.
There was a satisfying snap to let me know
that the first column was correctly seated,
but I had to remove and re-insert other columns
a few times before I was satisfied they were
The pump is attached to Column #2. There’s
a recessed area on the floor of the reservoir
that showed me where to attach the pump, using
the suction cup on its base.
OK, now we’re going to put on the top. See,
there’s a plug right there for the pump,
so we’re going to make sure that when we
put this on that we find the socket for that.
I read the instructions and found them a little
confusing, so I followed my intuition and
soon had all four corners snapped into place.
Then I seated the two parts of the planting
panel and inserted the planting caps and baskets.
There are safely fasteners for attaching to
the wall if you’re stacking multiple units
(you can stack up to 4), but we’ve only
got this one, so we’ll set those aside in
case we need them in the future.
The power cord plugs into the top, and there’s
an extra socket so you can daisy chain multiple
Once you supply power and press the switch,
the lights come on. They seem pretty bright.
The light ring around the button flashes,
because the unit senses there is no water
in the reservoir. It wasn’t time to fill
it yet, but it was time to take it upstairs
to my office, where I had already cleared
some space for it on a work table.
By now, you’ve probably noticed something
about the Greenjoy that’s very different
from the AeroGarden. The top is fixed in place
at about 10” above the planting panel. You
can’t raise the lights up and down to accommodate
the height of your plants. And the reservoir
is quite shallow, which limits root growth.
This unit is obviously optimized for growing
greens and herbs where you are continuously
harvesting, patterned off the company’s
commercial systems. It just won’t work for
If you want to grow hot peppers, this might
not be the unit for you. But Greenjoy has
informed me that they are developing a new
model that will allow you to adjust the height
of the lights. Hopefully we’ll get to test
that unit when it becomes available.
Next, it was time to plant the seeds. Here’s
another way the Greenjoy differs from the
AeroGarden. In the AeroGarden, seeds are germinated
right in the unit. You can buy pre-planted
seed pod kits for many different plants. In
the Greenjoy, you have to provide your own
seeds, and start them in a separate tray.
Then you transfer them to the unit after they
sprout. So, not quite as plug and play as
I read through the cultivation instructions,
then got ready to plant.
I purchased a collection of herb seeds on
Amazon. I made up a chart so I would remember
which plant was which. Here are the sponges
in which we’ll be planting our seeds. I’m
going to mark one corner so I’ll know that’s
the top row.
Then I added water to the tray and submerged
the sponges and held them down until they
absorbed enough liquid to sit on the bottom
and not float. I added a little bit more water
to a level that would cover the seeds. Greenjoy
supplies tweezers to make the planting process
a little easier.
Instructions suggest sealing the tray in a
bag until the seeds start sprouting, but I
was afraid I was going to spill the water
trying to get it in there. Plastic wrap can
do the same job, so I went that route instead.
Because I just hate anyone telling me what
to do, I also disregarded the instructions
regarding lighting. Greenjoy suggests you
place the seed tray on the planting panel
and use the unit’s lighting. That seemed
like overkill to me, so I just used a gooseneck
grow light. Here’s the result about 10 days
after planting. I didn’t get 100% germination,
and I’m sure it’s my fault. I don’t
think I pushed some of the seeds down far
enough into the sponge to make sure they were
always covered with water. I had to remove
the plastic wrap once some of the seeds started
to sprout, and I may not have maintained the
water level as consistently as I should have.
And maybe I should have used a heat mat like
it do with my pepper seeds. But I have enough
seedlings to get started.
It was time to fill the reservoir for the
first time. There’s a green water line indicator
on either side. We’ll want to make sure
the water level is above that indicator.
Following the instructions, I added 4 liters
of water. Then I added 40ml of solution A.
Greenjoy supplies a small measuring cup like
you get with cough syrup, but it only holds
30ml. So I used a graduated cylinder to measure
out 40ml. I poured it in and gave it a stir.
Then I added 4 more liters of water and 40ml
of Solution B. You’re not supposed to mix
the undiluted A & B solutions. I’m not sure
what happens if you do. They’re both clear
and odorless. The water level seemed good,
so I powered on the unit and the pump started
pumping. I put the grow deck in place and
got ready to transfer the seedlings.
Seemed like a good time to check and see how
much power it draws. The lights are rated
at 45W, and there’s also a pump and unfortunately,
a noisy fan in the hood to cool the lights.
I thought a power draw of around 36W was quite
reasonable. I measured the light output at
grow deck level with my phone app and it averaged
out at about 500 FC. That should be more than
enough light to grow healthy plants.
I put each sponge into a planting basket, making
sure the roots came out through the bottom.
Then I inserted that into a planting cap,
then placed both into one of the holes in
the grow deck.
Left the bottom right hole open so that I
could use it to check the water level and
add water as needed. Greenjoy supplies a few
of these shading hoods to cover the empty
Now we wait. By the way, there’s no way
to control the timing of the lights. The cycle
starts when you plug in the unit. The lights
stay on for 14 hours, then off for 10 hours.
To reset the cycle, you need to unplug and
replug the unit.
If you turn on the lights during the dark
period, they will come on for 30 minutes and
then turn off. This is called viewing mode.
Something else I didn’t expect is that it’s
loud because of the fan. I have both the Greenjoy
and my AeroGarden in my office, and the AeroGarden
is much quieter because it doesn’t have
a fan. Just a little burbling noise from the
pump. I have the Greenjoy set to light up
from 5:30 pm to 7:30 am, which minimizes how
much I have to listen to it, as the fan thankfully
turns off along with the lights.
Jump ahead about three weeks, and we’ve
got serious growth. The basil is almost touching
the lights. There are a couple of slow growing
stragglers, and one plant didn’t make it,
but I’m very happy with the results.
I harvested some of the basil, and it looks
so fresh and healthy. I cut a little oregano
too. Cat used both in this noodle dish, and
the flavors were amazing.
Remember the flashing light that warns of
low water level? I haven’t added any water
or nutrients for a couple of weeks, hoping
to trigger that mode.
The water level is below the bottom of the
green indicator, but the flashing never started.
I’m not sure how low it has to get before
I didn’t want it to get any lower, so I
went ahead and added more water and nutrients.
I added one liter of water with 10ml of solution
A, and another liter of water with 10ml of
Now the water level is back up to the top
of the green indicator.
Time for my Cheers and Jeers.
First, the Cheers.
The Greenjoy Indoor Grow Box is easy to use,
and everything works as described.
It grows healthy plants very quickly.
One touch operation and clear instructions
make it a good choice for novice growers.
You can stack multiple units and grow lots
of fresh produce in a small space.
Still, there is some room for improvement.
You can’t adjust the light height to accommodate
taller plants. The fixed height may be a plus,
however, if you want to stack multiple units.
The fan is really loud. I think they need to consider
re-engineering it to make it quieter, or eliminate
No user controls. At the very least, I’d
like to be able to set the on/off times without
unplugging the unit.
Having to sprout seeds in a tray instead of
directly in the unit is not as convenient
as the pre-planted seed pods available for
If you’re looking to grow herbs or greens
indoors, I highly recommend the Greenjoy Indoor
Grow Box. If you’re watching this on or
before December 31, 2019, you can get a 30%
discount on Amazon if you use the link in
the video description with coupon code GREENJOY.
If you’re wondering about purchasing extra
nutrients and grow sponges, Greenjoy tells
me they will be available for purchase on
Amazon starting next month.
I hope you enjoyed my review of the Greenjoy
Indoor Grow Box. It’s great to be doing
some gardening indoors, because we’re not
going to be gardening outdoors for quite a
while now. As you can see, we’re in the
middle of a winter wonderland here in Minnesota.
Please like this video, subscribe to our channel,
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For 7 Pot Club, I’m Rob.
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