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You will need to purchase a ten gallon tank for one or two toads. You should generally not put more than three toads together in a tank, as many toads can become aggressive. Do not house different kinds of toads together. Substrate is ground covering that is specifically made for terrariums. Putting at least three inches of substrate down on the floor of your terrarium will allow your toad to burrow when he feels like hiding. The type of substrate will depend on your specific type of toad. In general ‘frog moss’, which is sold at pet stores, makes for good covering, as does additive-free potting or topsoil purchased at a garden store. Pulverized coconut fiber is also an excellent form of substrate.  If in doubt about which type of substrate you should buy, ask an amphibian specialist at a reptile or pet store. Do not use artificial turf or gravel, as these ground coverings are too harsh for your toad’s delicate skin. You can choose which sort of hiding spots you would like to give your toad. You could put a stone, tree bark, or piece of slate down that your toad could burrow under. Other toad owners prefer to buy a store-made hiding places or to provide their toad with an empty coconut shell to climb into. The pool should be roughly half the toad’s height and four times as long as your toad. It is very important that the water you use to fill the pool is dechlorinated--toads can die if given chlorinated water. Make sure that there is a ramp of some kind that the toad can walk up when he is done frolicking in the water, as toads are relatively poor swimmers. An easy way to make a water bath for your toad is to buy a shallow plastic bowl. Make a hole in the substrate so that the bowl’s mouth is level with the rest of the substrate on the floor of the terrarium. Put a sturdy plank of some kind into the bowl so that your toad can get in and out of the water easily. Again, the temperature you keep your toad’s tank at will depend on the type of toad you are housing. A toad’s preferred temperature can range from 65°F to 82°F (18°C to 27°C), depending on the type of toad you have. It is advisable to place a reptile heating pad under one end of the tank if your variety of toad needs heat. Putting the pad under one end of the tank allows the toad to choose to be either on the heated side or the cooler side. For your toad’s specific temperature needs, check with your local reptile and amphibian store. Toads should have roughly 12 hours of ‘sunlight’ each day. Use a daylight lamp or a low UV level lamp, but only you have provided your toad with hiding places (so he can get away from the light if he feels like it.) If you want to be able to see your toad at night, you can install a red lamp to light up his home at night. Toads are most active at night. Toads can’t see red light, so they will think they are moving around in the dark but you will still be able to see them. While toads do not enjoy the water as much as true frogs do, they still need a relatively moist habitat. Use a mist bottle daily to mist one side of the tank (the side with the water bowl) so that the toad can choose whether he wants to be on wet or dry terrain. Only use water that you are positive is chlorine free!

Summary:
Get a properly sized container. Buy substrate that your toad will enjoy. Give your toad some hiding spots. Give your toad a swimming pool. Keep your toad’s home at the right temperature. Use the right sort of lights to keep your toad happy. Make sure the terrarium has enough moisture.