Table of Contents Assembly Set Up Your Plants Connect to Your Smart Device Adding Nutrients Controlling the Grow Light Monitoring the Water Level Emptying Your System Servicing the Pump Para consultar la información en español, visite miracle-gro.com/twelveespanol...
Page 4
See should always be followed, including the following: Grounding Instructions. Read all instructions before using the Miracle-Gro® Twelve™ Indoor Growing System. This product is for use on a nominal 120-volt circuit and has a grounding plug that looks like the plug illustrated D A N G E R –...
Assembly I N T H E B O X A – Light Shade H – Shade Screws (x4) O – Large Net Cup (x4) B – Non-Electrical Legs (x3) I – Base Screws (x4) P – Transplant Liner [x4) C – Electrical Leg J –...
Page 6
Step 1: Download the App To get started, download the app at: miracle-gro.com/twelveapp Step 2: Base Assembly • Read all instructions before using. • Unpack your box and remove all loose parts from the reservoir. (Take parts F, G, L, M, N and set aside.) •...
Page 7
Step 3: Shade Attachment • Turn your unit right side up and align the light shade [A] to match the electrical leg (C) to the electrical components in one of the shade sockets. • Lower the light shade down onto the •...
Set Up Your Plants Choose Your Location, Fill with Water • Your Miracle-Gro® Twelve™ Indoor Growing System F I L L L I N E holds two gallons of water and when it’s full it can be pretty heavy, so make sure you have it in its preferred location before adding water to the reservoir.
Page 9
Choose Your Plant Type Your Miracle-Gro® Twelve™ Indoor Growing System is designed specifically for growing leafy greens, herbs and select flowers. Grow up to four plants at the same time. See below for a list of recommended plant types. L E A F Y G R E E N S...
Page 10
[P) inside the cup. Read and follow label directions on your Remove any outer cover or plastic pot Miracle-Gro Twelve Seed Starting Kit. and gently place the plant (with the Take your seed starting plug and place it soil) inside the transplant liner.
Page 11
Plant Nutrition, see page 13 for how to add the nutrient to the system. If you’re starting from seed, wait until it sprouts to feed for the first time. Refer to the instructions on the Miracle-Gro® Twelve™ Plant Nutrition label for additional information about how to feed.
Connect to Your Smart Device Your Miracle-Gro® Twelve™ Indoor Growing System uses BLUETOOTH® wireless technology so you can set your grow schedule, change your lighting mode, monitor your water level, and manage your calendar all from your smartphone.* S T E P 1 Download our app at miracle-gro.com/twelveapp and...
Plants growing in water-based systems need special nutrition that dissolves efficiently in water and offers the right blend of essential nutrients. Our Miracle-Gro® Twelve™ Plant Nutrition is a specially designed nutrient for recirculating, water-based systems. With a convenient pre-dosed packet, feeding your plants is clean and simple.
Y O U R G R O W I N G S C H E D U L E Every day your Miracle-Gro® Twelve™ Indoor Growing System will be scheduled for a continuous 14 hours on and 10 hours off. The timer will start as soon as you turn the system on.
Monitoring the Water Level When you’re growing in a water-based system like the Miracle-Gro® Twelve™ Indoor Growing System, it’s important to make sure your plants have adequate water at all times. With a built-in water level sensor, your indoor growing system will tell you when water needs to be added by blinking the grow light every 10 seconds.
Emptying Your System After growing and harvesting leafy greens or herbs for 8 to 10 weeks, it’s probably time to change them out. Anytime you start new plants, we recommend draining your reservoir and starting with fresh water and nutrients. •...
• Place a bucket at the end of the tube, turn your system back on and continue until the reservoir is empty. • When it’s finished, turn off the system, remove the draining tube, and remove any remaining roots from the reservoir. Then, use a clean cloth to wipe down the inside walls.
Page 18
Bluetooth SIG, Inc. occur in a particular installation. If this equipment does and any use of such marks by Miracle-Gro® Lawn cause harmful interference to radio or television recep- Products is under license. Other trademarks and tion, which can be determined by turning the equipment trade names are those of their respective owners.
Need help?
Do you have a question about the Twelve and is the answer not in the manual?
Questions and answers