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Other Enviro Tank Ideas 

There are many other environments you can make with the 
Enviro Tank...
- Place a photo of a favorite friend or family member inside.
- Fill with colorful rocks or marbles you’ve collected.
- Crinkle some aluminum foil and make a design on it.
- Create a natural terrarium of soil and plants.
- Sand art with multicolored sands that can be purchase at 
craft stores.
- Add a second living environment with bugs and other 
creatures.
- The possibilities are limited only to what your imagination 
can come up with!

Care and Maintenance of the Crystal Fish Tank

* To do so, remove the Enviro Tank, take off the Fish Tank Lid, 
and remove the fish from the tank with the net included with 
this kit. Place fish in a lukewarm bowl of water. 

* Remove Fish Tank from base, and pour out the old water. Fill 
the Fish Tank with lukewarm fresh water, and add dechlorinating 
water conditioner. When water is ready (according to the 
directions with the dechlorinating water conditioner), put fish 
back into tank, place tank onto base and cover with lid. Place 
Enviro Tank back into inner chamber.

* To clean Enviro Tank and dissolve existing crystal formations, 
rinse with very warm water, then clean with soapy water and dry. 

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- To preserve your crystal formations, it's best to keep them in a 
sealed container. Keep them in a dry place - humidity tends to 
dissolve the formations.

- If you run out of string and food coloring, use lengths of cotton or 
wool yarn or string (not nylon), and common food coloring found at 
grocery stores. 
 

11. When the crystal is growth is complete, remove the Enviro Tank 
Lid/Platform holding the attached formations. Empty out the sludgy 
water, and rinse the tank with warm water. Place the Lid/Platform 
(with attached crystals) back on the tank, then place the tank into 
the inner chamber of the Fish Tank. Your colorful crystal formations 
now make an awesome backdrop for the fish to swim around!

Crystal Fish Tank

It's a light-up fish tank with a very exciting twist...it's actually 
two separate tanks - one for your fish and one for whatever 
environment you wish! Watch as your fish swim around a 
background of incredible crystal formations that you create!  
You can also design your own unique backgrounds – cool 
scenes, fun photos, colorful displays – in the Enviro Tank, 
which you can remove and replace without ever disturbing the 
fish tank!

You Will Need:

For the light show:

* 4 AA alkaline batteries (Phillips screwdriver required for installation)

For the Fish Tank:

* Freshwater tropical fish
* Dechlorinating water conditioner
* Fish food

To make crystal formations:

* Water
* Sugar
* Paper towels
* Spoon

To create your own unique environments:

* Your imagination (and any items it takes to bring your ideas to life!) 

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Battery Safety Guidelines

-  To prevent battery leakage: Be sure to insert batteries correctly.
-  Batteries should be replaced by adult.
-  Never dispose of batteries in fire as this may cause them to 
   explode.
-  Do not mix old and new batteries (replace all batteries at the 
   same time).
-  Do not mix Alkaline, standard (Carbon-Zinc) or rechargeable 
   (Nickel-Cadmium) batteries (or equivalent). Only batteries of the 
   same or equivalent type as recommended are to be used.
-  Non-rechargeable batteries are not to be recharged.
-  Always remove exhausted or dead batteries from product. 
   Remove batteries from product which is not going to be used 
   for a long time. 
   Otherwise the batteries may leak and cause damage.
-  The supply terminals are not to be short-circuited.
-  Make sure battery compartment is secure.
-  Do not immerse battery operated toys. Wipe clean only.

- Do not dispose of the battery in your regular household waste.
- Contact your local waste management officials for information  
  on environmentally sound disposal of rechargeable batteries.
- If a battery leak develops, avoid contact with leaking fluid.
  Place the damaged battery in a plastic bag for proper disposal.
- If fluid comes in to contact with skin or eyes, wash with cool 
  water for at least 15 mins.

Battery Disposal

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Enviro Tank

The Enviro Tank provides a special environment in the center of the 
Fish Tank that you create! Because the Enviro Tank fits into an inner 
chamber within the Fish Tank, it never gets wet. So the kinds of 
scenes, designs and creations you can make are endless! With this 
kit, you can create colorful crystal formations that make a realistic 
backdrop around which the fish can swim. You'll find other 
suggestions for environments below. 

To Create Crystal Formations

Crystals of the variety you are about to create are formed by 
nucleation, a repeated process of connecting atoms or molecules. 
Crystal formations are fun to make and fascinating to watch as they 
gradually grow into colorful designs of your own design!

1. Fill the Enviro Tank with water (approximately 2 1/2 cups), then 
pour the water from the tank into a pan or bowl. Stir in 5 cups of 
sugar.

2. Have a parent heat the water on the stove until boiling. Allow the 
water to cool for 10-15 minutes or until it has cooled. 
Carry out steps 3-5 while waiting for the water to cool. Use paper 
towels on a flat surface for your work area.

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3. Tie a knot at one end of 6 lengths 
of string. Fit other end of string 
through holes in platform. Test knots 
to make sure they don’t fit through 
the platform holes.

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4. To cut strings to proper length, use a ruler and cut one of the 
platform strings with safety scissors so that it is 5 1/2 inches long. 
Repeat for the other platform strings.

5. Fill a small cup with sugar. 

6. When the boiled sugar/water solution has cooled, pour it into the 
Enviro Tank.

7. Dip strings into the solution to wet them and then roll them into 
the cup of sugar to coat them. This will create the seed crystals 
that will ensure the growth of crystal formations.  Allow strings to 
dry on the paper towels. 

8. Add some food dye into the sugar water solution and stir well.  

9.  Fit Platform onto Enviro Tank Lid and submerge strings into the 
solution. Use a spoon to push the strings down. Note: Be sure 
strings do not touch the bottom of the tank. Fit lid onto tank.

10. Place the Enviro Tank where it will not be disturbed and is free 
from vibrations. In a day, or two, you will see the crystal formations 
starting to grow as seed crystals on the string draw other sugar 
molecules from the super saturated water. Let the tank sit for 10-14 
days to allow the crystals to fully form.

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Contents:

Food Dye x 4

Fish Net

Tank Base

On/Off

Mode

Tank lid with feeding door

Fish Tank 

Fish Tank 

Chamber

Fish Tank Lid

Enviro Tank

Enviro Tank Lid

Base Unit 

with lights

Platform

Strings

ON/OFF

MODE

P38-CM013-81041000

Crystal Fish Tank

INSTRUCTION MANUAL

ON/OFF

MODE

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2. Allow the water to sit for an hour so that it can settle at room 
temperature. Then, it's move-in time: add the fish to the tank.

3. Place the Fish Tank Lid on top.

4. Feed the fish through the door on the Fish Tank Lid. Many 
tropical freshwater fish eat tropical flake food that you can buy at 
pet stores, or large retail or grocery stores. Some fish, like Bettas, 
require special food. Check with the pet shop where you bought the 
fish or a tropical fish guide for the right food for your fish.

Note: 

Keep in mind that if it gets hot or cold in the room where fish live, 

the water will also change temperature. Most tropical fish like water 

temperatures of between 72 and 78 degrees. Never place your 

tank by a window or in direct sunlight, which could case the water 

to overheat and be dangerous to the fish. 

  

* Lights Up

* Lights Up
- Press the On/Off button to turn on the lights. 
Watch as the RED, BLUE, GREEN LED light up and blink randomly.
- Press the Mode button once to lock the RED, GREEN, BLUE lights.
- Press the On/Off button again to shut off the lights.

* Magna-fishes

- Get up close and personal with your fish by viewing them through 
the two magnifying lenses on the Fish Tank!

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(1)

Battery Installation:

Fish Tank

This one-gallon fish tank makes a colorful, creative and 
easy-to-care-for home for guppies, tetras, bettas, mollies, neons 
and many other varieties of freshwater tropical fish.     

Here are some basic steps to get your fish home started. 
(To ensure that everything goes swimmingly, be sure consult a 
tropical fish guide.)
 
1. Fill the Fish Tank with lukewarm tap water. Add a dechlorinating 
water conditioner so that the chlorine in the tap water cannot harm 
your new fish friends. (Be sure to select the proper dechlorinating 
conditioner for the type of fish you have; follow directions with the 
conditioner.)  

(2)

1. Flip base over and use 

a Phillips screwdriver to 

loosen screw on battery 

door. Remove battery door 

from bottom of base.  

2. Insert 4 AA alkaline 

batteries into the 

compartment as indicated.

3. Insert batteries correctly - 

be sure to match the 

positive (+) and negative (-) 

signs to the diagram in the 

battery compartment.

4. Refit battery door and 

retighten screw.

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