If you’re new to keeping discoid roaches, there’s a good chance you’re overthinking at least one thing right now.

That’s normal.

A lot of first-time keepers assume roaches are either “indestructible” or incredibly delicate. The truth is somewhere in the middle. Discoid Roaches are hardy, but they still rely on stable conditions and good husbandry to really thrive.

The funny part? Most colony crashes don’t happen because someone forgot to feed them. They happen because people try too hard.

Here are some of the most common mistakes new roach keepers make, and how to avoid them before your colony starts acting weird.

1. Overheating the colony

This is probably the biggest one.

New keepers often assume hotter = faster breeding. So they throw a heat mat on the bin, keep the room blazing hot, or leave colonies in garages and sheds during Florida summers where temperatures quietly climb into dangerous territory.

Discoid Roaches like warmth, but they do not like being cooked.

When colonies overheat, you may notice:

• Roaches climbing excessively

• Restless movement during the day

• Sudden die-offs

• Poor breeding

• Tiny babies disappearing

• Strong ammonia smells

• Condensation buildup

A stable warm temperature is far better than temperature spikes. In most cases, consistency matters more than chasing maximum heat.

How to avoid it

• Avoid direct sun on bins

• Don’t put heat sources under the entire enclosure

• Give roaches cooler zones so they can self-regulate

• Use a thermometer instead of guessing

• Watch the colony’s behavior, not just the temperature reading

A calm colony is usually a healthy colony.

2. Over-cleaning the bins

People are often shocked by this one.

Discoid colonies are not sterile environments. They actually benefit from having an established micro-environment inside the enclosure. Constantly deep-cleaning everything can disrupt the colony more than help it.

Some new keepers completely strip bins every week:

• Removing all frass

• Replacing every egg crate

• Scrubbing surfaces

• Resetting the enclosure from scratch

That can stress the colony and interfere with humidity balance and natural aggregation behaviors.

Frass isn’t just “waste.” In established colonies, it helps stabilize the environment and may even play a role in colony communication and comfort.

How to avoid it

• Spot-clean instead of full resets

• Remove dead insects and wet food promptly

• Keep airflow good to reduce odor naturally

• Replace materials gradually instead of all at once

A healthy roach bin should look lived in. That’s normal.

3. Adding too much moisture

This mistake usually comes from good intentions.

People worry their colony is “too dry,” so they start misting heavily, adding soaked substrate, or leaving wet vegetables in the bin too long.

Then the problems begin.

Too much moisture can lead to:

• Mold

• Mites

• Sour smells

• Bacterial growth

• Increased die-offs

• Stress climbing

Discoids do need hydration, but they generally do better with controlled dryness and access to moisture through food sources.

How to avoid it

• Use water crystals correctly if you use them

• Offer fresh vegetables in moderation

• Remove uneaten wet foods quickly

• Avoid soaking the enclosure

• Focus on airflow instead of constant misting

A dry colony with proper hydration sources is usually healthier than a damp colony.

4. Using the wrong egg crates

Not all egg flats are equal.

Some people unknowingly use:

• Moldy cartons

• Chemically treated materials

• Foam cartons

• Glossy printed cardboard

• Crates that collapse when humid

Others stack them too tightly and accidentally eliminate airflow inside the colony.

Egg crates are more than hiding spots. They create usable surface area, airflow channels, humidity gradients, and colony structure.

How to avoid it

• Use clean cardboard egg flats designed for livestock/insect use

• Avoid foam and glossy materials

• Store extra flats in a dry area

• Don’t pack the bin too densely

A properly structured colony often smells less, breeds better, and stays cleaner naturally.

5. Panicking over normal roach behavior

This one causes a lot of unnecessary stress.

New keepers often think something is wrong because they see:

• Roaches piling together

• Roaches burying themselves

• Adults barely moving during the day

• Nymphs disappearing into the frass

• Colonies suddenly becoming active at night

• Random twitching or short bursts of movement

Most of this is completely normal.

Discoids are thigmotactic, meaning they like tight contact and enclosed spaces. Clustering helps conserve moisture and creates stable microclimates within the colony.

And remember: these are mostly nocturnal insects. A bin that looks “dead” during the day can become a bustling city after dark.

How to avoid it

Before assuming disaster:

• Check temperatures

• Check ventilation

• Check for foul smells

• Look for actual die-offs

• Observe nighttime activity

A quiet colony is not necessarily an unhealthy colony.

The biggest lesson new keepers learn

Discoid colonies usually do best when you stop fighting their natural behavior.

Most successful keepers eventually realize:

• Less disturbance is often better

• Stable conditions beat perfect conditions

• Dry and ventilated usually wins

• Roaches know how to be roaches

Sometimes the best thing you can do for a colony… is leave it alone for a while.

And honestly? The roaches usually appreciate it.

Mel & Chris

Luna Roaches