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Glossary Of Terms
  References Cited

 

Housing A Leopard Gecko: Substrate
  Background Information
  Choosing and employing the most appropriate substrate for your leopard gecko's enclosure could ultimately affect the long-term health and well-being of your gecko.  Dr. Gecko realizes that many people will opt to use a variety of different substrates for their own personal reasons so we thought we would put together some basic guidelines.

By far, the most common health problems that stem from the improper use of a substrate includes:

Do not put leopard geckos under 6" or preferably one year of age on any type of natural substrate.  Hatchlings and juveniles fare best when kept on paper towels.  Why?

  • It minimizes the risk of impaction.
  • It is easy to replace.
  • Inexpensive to use.
  • Easy to monitor for potential health problems.
  • It minimizes the risk of infections.
  Qualities To Look For
  Here are a few qualities that you may want to consider when choosing the most appropriate substrate for your leopard gecko:
  • Inexpensive so it can be replaced easily and regularly.
  • Non-abrasive and non-irritating to the gecko's skin.
  • Easily cleaned and/or replaced.
  • Will absorb the fluid from the gecko's urates/defecation.
  • Is relatively sterile (it not harboring any pests, insects, pathogens etc...)
  • Does not create any type of dust.
  • Helps to reduce the odor of feces.
  • No strong or overpowering odors.
  • Won't injure the gecko in any way.
  Substrates To Avoid
  Dr. Gecko recommends that you avoid using the following substrates:
  • Cedar, pine or other wood shavings.
  • Hardwood chips.
  • Gravel
  • Crushed corn cob.
  • Crushed walnut shells.
  • Kitty litter.
  • Bark chips.
  • Sawdust
  • Potting soil with perlite (little white balls).

You may also want to avoid the use of silica sand for a variety of reasons including:

  • It tends to be very dusty.
  • Can cause serious damage to the geckos gastrointestinal tract if it is ingested.
  • If it gets wet, it may stick to the body of the gecko.
  • It does not readily allow heat from a sub-tank heating pad to reach the surface.
  Substrates To Consider
  Here are some of the more commonly used substrates:
  • Newsprint
  • Butcher paper.
  • Paper towels.
  • Sand (highly debated by the way!)
  • Indoor-outdoor carpeting.
  • Inkless newsprint.
  • Slate rock.

My personal favorite substrate is actually the slate rock option (for my adults ... any hatchlings/juveniles are always on papertowel).  I layer it around the enclosure and then just fill in the gaps with a little bit of sand so their feet do not get caught in the spaces.  When I am not using real slate, I make my own slate rocks using formed polystyrene pieces covered with a concrete mixture.

I use this because I prefer to have my geckos setup in large, natural environments.  My slate or homemade rocks disperse the heat perfectly, looks natural, there is no chance of impaction and they are very easy to clean/disinfect. 

Apparently some people have successfully used specific kinds of higher quality felt and flannel.  Ensure that the gecko's toes and nails cannot get caught in the fibers.

  Important Notes About Sand
  If you simply must use sand, than please do so at your own risk and be responsible about it.   Yes, there are lots of people who have used sand for years without a problem (even I use a bit in-between my pieces of slate), but there are those that have had problems.

Please monitor your gecko and the environment carefully.  At the first sign of a problem, such as witnessing your gecko nibbling the sand, or sandy stools/fecals, please act immediately and remove the sand.

  • Never house a hatchling or juvenile leopard gecko on sand.

  • Never house a weakened, sick or injured gecko on sand - paper towel is more appropriate for instances like this.

  • Fine grade sands tend to cause less cases of impaction as opposed to some of the coarser grades.

  • Should be cleaned and replaced regularly to prevent the growth of potential pathogens that could lead to a variety of bacterial and fungal infections.

  • Limestone or calcium carbonate is preferable over silica sand.

  • Some people opt to serve the prey items to their geckos in a feeding dish to prevent the gecko from accidentally ingesting the sand while hunting/eating.

  • Leopard geckos will often nibble at the sand as a way of searching out additional calcium.  Be sure to use a proper supplementation schedule with your gecko, as well as provide a shallow dish of pure calcium carbonate in the enclosure at all times.
  Miscellaneous Thoughts
 
  • When using indoor-outdoor carpeting, its always a good idea to have 2 pieces available to make cleaning/disinfecting easier - you can always have a spare one on hand to replace in the enclosure when the other piece is being disinfected.

  • Irregardless of what substrate you choose, be sure to regularly clean, disinfect and replace the substrate to help prevent the potential buildup of pathogens.

  • Paper towels are the preferred substrate to use with sick, injured or weakened geckos, as well as those geckos that are in quarantine.
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