Newspaper

Newspaper is one of the oldest and most commonly recommended substrates in snake keeping, and there are good reasons it has stuck around this long. It costs nothing if you already get a paper delivered, it takes about thirty seconds to swap out a dirty sheet for a clean one, and it makes monitoring your snake's waste output extremely easy because everything sits right on the surface in plain view. For quarantine enclosures, hospital tanks for sick animals, and temporary housing situations, newspaper is hard to beat on pure practicality.

That said, newspaper has significant limitations that make it a poor choice as a permanent, long-term substrate for most species. It provides zero humidity retention, which is a serious problem for any tropical species that needs sustained humidity above 50 percent. It offers no burrowing opportunity for species that naturally dig or wedge themselves beneath substrate. It sits flat on the enclosure floor with no depth, meaning there is no thermal gradient within the substrate layer itself. And frankly, it looks terrible, which matters less for the snake than it does for the keeper who has to look at the enclosure every day, but it is worth acknowledging.

The reason newspaper remains in common use despite these limitations is that it solves a specific set of problems very well. When you need to monitor a sick snake's waste for signs of parasites, blood, or abnormal consistency, nothing beats a white or light-colored flat surface. When you are quarantining a new arrival and want to minimize variables while observing the animal closely, newspaper lets you focus on the snake rather than the substrate. When you are housing hatchlings temporarily before they go to new homes, newspaper keeps setup and teardown fast and cheap.

The mistake keepers make is treating newspaper as a default permanent substrate rather than a tool for specific situations. Care sheets from the 1990s and early 2000s routinely recommended newspaper as a perfectly adequate lifelong substrate for nearly every snake species, and that advice has been slow to die. Modern understanding of captive snake welfare recognizes that substrate plays an active role in humidity management, thermoregulation, and behavioral enrichment, none of which newspaper provides.

This article covers the practical use of newspaper substrate, where it works well, where it falls short, how to use it effectively when the situation calls for it, and when you should be reaching for something better.

Using newspaper effectively starts with understanding what it actually does and does not do inside an enclosure. On the functional side, newspaper creates a flat, easily replaceable surface that absorbs a small amount of liquid, makes waste immediately visible, and can be swapped out in seconds. It does not off-gas harmful chemicals, it does not harbor mites the way some organic substrates can, and it does not pose an ingestion risk if the snake accidentally takes in a small piece during feeding. These are real advantages in specific contexts.

The humidity problem is the most significant functional limitation. Newspaper absorbs a small amount of moisture and then sits wet, creating a damp surface without actually raising ambient humidity in any meaningful way. For ball pythons, rainbow boas, blood pythons, and other species requiring sustained humidity above 60 percent, newspaper is actively counterproductive. The enclosure stays dry while wet newspaper sits under the snake, creating conditions that promote scale rot rather than the ambient humidity the animal actually needs. If you must use newspaper for a tropical species temporarily, you will need to supplement with frequent misting and a humid hide filled with damp sphagnum moss to compensate for what the substrate cannot provide.

For species with moderate to low humidity requirements, newspaper performs better because the lack of moisture retention is less of a problem. Corn snakes, king snakes, and other temperate colubrids that do well at 40 to 60 percent humidity can be housed on newspaper without the same humidity concerns. Even for these species, newspaper still offers no enrichment value, but at least it is not actively working against their environmental needs.

Layering newspaper several sheets thick helps with absorption and makes cleanup easier because you can peel away the top soiled layer and leave the clean sheets beneath. Some keepers alternate newspaper with paper towels, using paper towels as the top layer for better absorption and newspaper beneath for coverage. This combination gives you the quick visual monitoring of a flat substrate with slightly better moisture handling than newspaper alone.

Newspaper provides no thermal benefit within the substrate layer. Natural substrates like coconut fiber and cypress mulch create a substrate-level temperature gradient where the surface differs from the deeper layers, giving snakes another dimension of thermoregulation to work with. Newspaper sits flat on the enclosure floor at whatever temperature the floor happens to be. This is not dangerous, but it is a missed opportunity to provide the kind of microclimate variation that contributes to better overall thermoregulation, particularly for species that naturally wedge themselves beneath leaf litter or soil in the wild. A snake on newspaper has exactly one thermal choice at ground level, whatever the floor temperature happens to be at that spot, while a snake on deep substrate can adjust its depth to fine-tune its body temperature.

If you are using newspaper as substrate, the most important practical point is to change it frequently. Because newspaper does not absorb waste the way deeper substrates do, urine and feces sit on the surface and create a hygiene problem faster than they would on coconut fiber or cypress mulch that actively absorbs moisture. Check the enclosure daily and replace soiled newspaper immediately rather than waiting for a scheduled cleaning day. In practice, this means you will go through newspaper faster than you might expect, but the cost is negligible.

Avoid using glossy newspaper inserts, colored advertising circulars, or magazine pages as substrate. Standard newsprint uses soy-based ink that is considered safe for reptile contact, but glossy paper uses different inks and coatings that may contain compounds you do not want your snake resting on. Plain black-and-white newsprint or unprinted newsprint rolls available from packing supply stores are the safest options. Unprinted newsprint is preferable if you can get it, because it eliminates the ink question entirely.

Weighting or securing the newspaper inside the enclosure prevents your snake from crawling under it and sitting directly on the enclosure floor. Most snakes will immediately try to get under flat substrate, which defeats the purpose of having substrate in the first place and creates a situation where waste ends up between the newspaper and the floor. Some keepers fold the edges of the newspaper up against the enclosure walls or use hides placed on top of the paper to hold it down. Others cut the newspaper slightly oversized so it curves up at the edges and stays in place better.

For quarantine use, where newspaper is at its most practical, keep the setup as simple as possible. Newspaper substrate, a water bowl, two basic hides, and a thermostat-controlled heat source. Nothing else. The simplicity is the point. You want to be able to monitor the new snake's health closely without substrate obscuring waste, and you want to be able to completely sanitize the enclosure between animals. Newspaper makes quarantine housing fast to set up, easy to maintain, and simple to break down when the quarantine period ends.

Transitioning away from newspaper to a natural substrate when the time comes is straightforward. Remove the newspaper, add your chosen substrate to the appropriate depth, and monitor humidity and temperature as the enclosure adjusts to the new material. Some keepers transition gradually by placing a section of natural substrate at one end of the enclosure while keeping newspaper at the other, allowing the snake to acclimate to the new surface. This is rarely necessary for most species but can help with particularly anxious animals that startle at environmental changes.

The primary safety concern with newspaper substrate is moisture accumulation. Because newspaper does not absorb and disperse moisture the way natural substrates do, spilled water, urine, and humidity condensation sit on the surface and create a persistently damp environment directly beneath the snake. Prolonged contact with wet surfaces causes scale rot, a bacterial skin infection that presents as discolored, soft, or blistered scales on the snake's underside. Scale rot is treatable if caught early but can become serious if the underlying conditions are not corrected. If you use newspaper, check for dampness during every daily inspection and replace wet sheets immediately.

Ingestion risk with newspaper is minimal but worth noting. Snakes that feed inside their enclosure can occasionally grab a piece of newspaper along with their prey item, particularly if the prey is wet or has been dragged across the substrate. Small amounts of newsprint typically pass through the digestive tract without issue, but larger pieces can cause impaction. Feeding on a separate flat surface within the enclosure, like a plastic plate or a section of tile, reduces this risk. Some keepers feed in a separate container entirely, though this practice is debated in the hobby because of the stress handling causes to some animals.

Slippery footing is an underappreciated problem with newspaper substrate. Smooth newspaper on a smooth enclosure floor creates a surface with very little traction, which can make snakes feel insecure when moving. Snakes rely on surface friction to push against when locomoting, and a slick floor provides poor purchase. This is not dangerous in itself, but it contributes to the stress of an already minimal environment. Crumpling the newspaper slightly rather than laying it perfectly flat gives the snake some texture to push against and reduces the slippery-floor effect.

Ink safety is a topic that comes up frequently among new keepers. Modern newspaper ink is predominantly soy-based and is considered non-toxic for reptile contact. Older concerns about petroleum-based inks are largely outdated for standard newsprint printed in the United States and Europe. However, specialty inks used in color printing, glossy inserts, and advertising circulars may contain different compounds. Stick to standard black-and-white newsprint and you are well within safe parameters.

The most significant safety consideration with newspaper is honestly the indirect one. Keepers who use newspaper long-term for species that need humidity, burrowing opportunities, or substrate-level thermal complexity are providing inadequate housing that leads to chronic health problems over time. The newspaper itself is not toxic or dangerous. The problem is what it fails to provide. If you are using newspaper as permanent substrate for a ball python or any other tropical species, the safety concern is not the newspaper. It is the absence of what the snake actually needs.

Ball pythons are the species most commonly kept on newspaper and also the species most poorly served by it as a permanent substrate. Ball pythons need sustained humidity of 60 to 80 percent, and newspaper provides essentially zero humidity retention. Keepers who use newspaper for ball pythons and then wonder why their snake has chronic stuck shed are experiencing a direct consequence of the substrate choice. If you must house a ball python on newspaper temporarily during quarantine or illness monitoring, supplement aggressively with a large humid hide filled with damp sphagnum moss and mist the enclosure multiple times daily. But transition to coconut fiber or cypress mulch as soon as the temporary situation resolves.

Corn snakes and king snakes tolerate newspaper better than tropical species because their humidity requirements are moderate, typically 40 to 60 percent. Newspaper works adequately for quarantine and temporary housing of these species without the same humidity crisis. However, even colubrids benefit from the enrichment value of natural substrate, and corn snakes in particular are active enough to interact with substrate by burrowing under it and pushing through it. Newspaper denies them that behavioral outlet. For long-term housing, aspen shavings or coconut fiber are inexpensive upgrades that provide enrichment, better moisture management, and a more naturalistic environment.

Boas are too large and produce too much waste as adults for newspaper to be practical beyond the hatchling and juvenile stages. An adult common boa urinating on newspaper creates an immediate mess that soaks through multiple layers and sits on the enclosure floor. The volume of waste these animals produce demands a substrate that can absorb and contain moisture until you do your next cleaning pass. Newspaper in an adult boa enclosure means cleaning multiple times per day rather than spot cleaning a deep substrate once daily. For juvenile boas in quarantine or temporary setups, newspaper works fine at small scale.

For species that naturally burrow, newspaper is particularly inappropriate even as temporary housing. Hognose snakes, sand boas, and other fossorial species are hardwired to dig, and denying them that behavior by providing a flat, impenetrable surface creates visible stress. These animals will push endlessly at the edges of the newspaper trying to get underneath it, rub their noses raw attempting to burrow into a surface that does not give, and generally display frustrated behavior that tells you plainly the substrate is wrong. Even for quarantine of burrowing species, a shallow layer of paper towels that the snake can bunch up and wedge under is a better choice than flat newspaper.

Newspaper is a tool with a specific and limited role in snake keeping. It excels in situations where ease of cleaning, cost, and visual monitoring of waste are the top priorities, specifically quarantine enclosures, hospital tanks for sick animals, and temporary housing for hatchlings or snakes in transit. In these contexts, newspaper does exactly what you need it to do and does it well. The problems arise when keepers use newspaper as a default permanent substrate for species that need humidity, burrowing opportunity, and substrate-level environmental complexity that newspaper simply cannot provide.

The single most important thing to understand about newspaper as substrate is that it is functionally inert. It does not retain humidity. It does not create microclimates. It does not offer enrichment or behavioral outlets. It does not contribute to thermoregulation. It is a flat surface that catches waste and nothing more. For temporary situations where that is all you need, it is perfectly adequate. For permanent housing where the substrate should be actively contributing to the snake's environmental quality, it falls short of what modern husbandry standards consider acceptable.

If you currently keep snakes on newspaper as their permanent substrate, the transition to a natural substrate is one of the most impactful upgrades you can make for a relatively small investment. A bag of coconut fiber or cypress mulch costs a few dollars and immediately improves humidity retention, provides texture for shedding assistance, offers substrate depth for thermoregulation, and gives the snake something to interact with beyond a flat surface. The difference in behavior you will see from your snake after switching, more exploration, better sheds, more time spent outside the hide, is often dramatic and happens almost immediately.

Keep newspaper in your supply closet for the situations where it genuinely makes sense. Quarantine new arrivals on newspaper where you can monitor waste closely. Use it in hospital setups where hygiene and observation are paramount. Set up hatchling tubs with newspaper for the first few weeks when you are feeding frequently and want fast, easy cleanup. But invest in real substrate for your permanent enclosures. Your snakes will be healthier, more active, and more comfortable, and the small additional cost and effort of maintaining natural substrate pays for itself many times over in better animal welfare and fewer health problems down the road.

The bottom line is that newspaper is not bad. It is incomplete. It does one job well and fails at everything else a substrate should do. Knowing when to use it and when to move past it is part of becoming a more thoughtful keeper. Every snake in your care deserves housing that meets all of its environmental needs, not just the ones that are cheapest and easiest to address. Use newspaper where it belongs, and give your permanent residents the substrate they actually need to thrive. The hobby has moved past the era when newspaper was considered acceptable permanent housing for any species, and your snakes will show you the difference the moment you make the switch.