🐢 The Complete Red-Eared Slider Care Guide

By Ohio Pet Depot | Updated August 2026

The Red-Eared Slider (Trachemys scripta elegans) is the most popular pet turtle in the world — and one of the most commonly mistreated, due to the widespread myth that they can thrive in small bowls or minimal setups. The truth is that Red-Eared Sliders are active, intelligent, long-lived aquatic turtles that require a proper aquatic setup, strong filtration, UVB lighting, and a varied diet to thrive. Done right, they are incredibly rewarding pets that can live 20–40+ years. We carry two beautiful morphs at Ohio Pet Depot:

• Albino Red-Eared Slider – Sub-Adult — $149.99 — A stunning leucistic morph with reduced pigmentation and striking coloration
• Charcoal Red-Eared Slider – Sub-Adult — $149.99 — A unique morph with reduced red pigmentation and a dark, charcoal-toned shell

🐢 Red-Eared Slider Fact Sheet

⚠️ Never release a Red-Eared Slider into the wild. They are one of the world's most invasive species and are illegal to release in most states. If you can no longer care for your turtle, contact a reptile rescue or return it to Ohio Pet Depot.

🏠 Aquatic Enclosure Setup

Tank Size

A general rule: provide 10 gallons of water per inch of shell length. Red-Eared Sliders are active swimmers and need room to move. Larger is always better.

Water Depth

• Water should be deep enough for the turtle to fully submerge and swim freely — at minimum, 1.5x the shell length in depth
• The turtle must also be able to right itself if flipped — water too shallow is a drowning risk

Basking Area — Essential

• A completely dry, elevated basking platform that the turtle can easily climb onto from the water
• Must be large enough for the turtle to fully extend and dry out completely
• Commercial turtle docks, cork bark platforms, or custom ramps all work well
• Position directly under the basking lamp and UVB bulb

Water Quality — The Most Critical Factor

Red-Eared Sliders are messy animals that produce significant waste. Poor water quality is the #1 cause of illness in captive RES.

• Filtration: A canister filter rated for 2–3x your tank volume is the minimum — RES produce far more waste than fish of equivalent size
• Cycle your tank before introducing the turtle
• Partial water changes: 25–30% weekly minimum; more if nitrates rise
• Dechlorinate all water before adding to the tank
• Test water parameters weekly with a liquid test kit

🌡️ Temperature & Lighting — Non-Negotiable

Temperature Requirements

Heating Equipment

• Basking lamp: Zoo Med Repti Tuff Splash-Proof Halogen Lamp ⭐ — Essential for aquatic turtle setups. The splash-proof design is critical — turtles exit the water wet and bask directly under the lamp; water droplets on a standard bulb will shatter it. Available at Ohio Pet Depot.
• Water heater: A submersible aquarium heater with a guard to prevent contact burns — maintain water at 75–85°F
• Nighttime heat: Fluker's Black Nightlight Bulb — Provides gentle ambient heat at night without disrupting the light cycle. Available at Ohio Pet Depot.

UVB Lighting — Critical

Red-Eared Sliders are diurnal baskers that require UVB for calcium metabolism and shell health. Without UVB, metabolic bone disease and soft shell develop rapidly.

• Zoo Med Powersun UV Mercury Vapor Lamp ⭐ — The gold standard for aquatic turtles. Combines UVB, UVA, and basking heat in one bulb — ideal for RES setups where a single overhead fixture covers both basking and UVB needs. Available at Ohio Pet Depot.
• Alternatively: T5 HO 10.0 UVB tube over the basking area, paired with a separate basking bulb
• Replace UVB bulbs every 6 months
• Run on a 10–12 hour on/off cycle

⚠️ No UVB = Metabolic Bone Disease and soft shell. This is one of the most common and preventable causes of death in captive Red-Eared Sliders. Proper UVB is not optional.

🥗 Feeding & Nutrition Care Sheet

Red-Eared Sliders are omnivores whose diet shifts with age — juveniles are more carnivorous, while adults become increasingly herbivorous. A varied diet combining quality commercial foods with fresh plant matter is ideal.

Diet by Age

Commercial Foods — Available at Ohio Pet Depot

• Zoo Med Natural Aquatic Turtle Food – Hatchling Formula ⭐ — Specially formulated for hatchlings and juveniles with higher protein content to support rapid growth. The ideal staple for young RES. Available at Ohio Pet Depot.
• Zoo Med Natural Aquatic Turtle Food – Maintenance Formula ⭐ — Balanced formula for sub-adults and adults. Transition from hatchling formula as your turtle grows. Available at Ohio Pet Depot.
• Zoo Med Reptisticks Floating Aquatic Turtle Food — Floating sticks that make feeding easy and reduce waste. Great for daily feeding and variety. Available at Ohio Pet Depot.
• Tetra ReptoMin Floating Food Sticks — A classic, widely trusted aquatic turtle staple. Nutritionally complete and readily accepted by RES of all ages. Available at Ohio Pet Depot.
• Zoo Med Turtle Treats — Dried whole shrimp and other natural treats; excellent for enrichment and variety. Use as a supplement, not a staple. Available at Ohio Pet Depot.
• Tetra ReptoTreat Gammarus — Freeze-dried river shrimp; a natural protein treat that RES love. Great for hand-feeding and bonding. Available at Ohio Pet Depot.
• Zoo Med TurtleMatic Automatic Daily Turtle Feeder — Automatically dispenses food on a schedule — perfect for consistent feeding and reducing overfeeding. Available at Ohio Pet Depot.

Fresh Foods to Offer

Aquatic plants (excellent for adults):

• Duckweed, water hyacinth, anacharis — turtles will graze on these naturally
• Romaine lettuce, red leaf lettuce — good variety greens
• Dandelion greens, collard greens, mustard greens — excellent nutrition

Protein supplements (for juveniles and variety):

• Feeder Guppies — Live fish are a natural prey item for RES and provide excellent enrichment and exercise. Available at Ohio Pet Depot.
• Rosey Red Feeder Fish — Another great live prey option; active swimmers that trigger natural hunting behavior. Available at Ohio Pet Depot.
• Earthworms, cooked chicken (no seasoning), cooked shrimp — occasional protein variety

Feeding Schedule

Feeding Tips

• Feed in the water — RES swallow food by using water to push it down; they cannot swallow on land
• Feed in a separate container (optional) — reduces waste in the main tank and keeps water cleaner longer
• Do not overfeed — overfeeding is the #1 cause of poor water quality; offer only what the turtle eats in 5–10 minutes
• Remove uneaten food promptly — leftover food rapidly degrades water quality
• Use the Zoo Med TurtleMatic for consistent, portion-controlled daily feeding
• Dust food with Fluker's Repta Calcium 2–3x per week for indoor turtles

🤝 Handling & Personality

Red-Eared Sliders are one of the most personable turtle species in the hobby. They quickly learn to recognize their owners and will swim to the front of the tank at feeding time. With patience, many will eat from your hand.

• Limit handling to short sessions — turtles are aquatic animals and prolonged time out of water is stressful
• Always wash hands before and after handling — turtles can carry Salmonella; this is normal and manageable with good hygiene
• Support the full shell and body when lifting — never hold by one side of the shell
• Turtles may scratch with their claws when held — this is normal, not aggression
• The best way to interact with your RES is through feeding and observing them in their tank

⚠️ Salmonella note: Like all reptiles, Red-Eared Sliders can carry Salmonella bacteria. Always wash hands thoroughly after handling or cleaning the tank. Keep turtles away from kitchen surfaces and food preparation areas. Children, elderly individuals, and immunocompromised people should take extra precautions.

🩺 Health & Wellness

Signs of a Healthy Red-Eared Slider

• Active and alert during the day
• Basking regularly — a turtle that never basks is a concern
• Swimming strongly and symmetrically
• Eating consistently
• Hard, smooth shell (some scute shedding is normal)
• Clear eyes and nostrils
• Healthy body weight — limbs and head should retract fully into the shell

Common Health Issues

⚠️ Red-Eared Sliders require a reptile-experienced exotic vet. Find one before you need one. Most health issues in RES are directly caused by poor water quality or insufficient UVB — address these first whenever something seems off.

🛒 First-Time Owner Shopping List — Available at Ohio Pet Depot

Your Red-Eared Slider:

• Albino Red-Eared Slider – Sub-Adult — $149.99
• Charcoal Red-Eared Slider – Sub-Adult — $149.99

Food & Feeding:

• Zoo Med Natural Aquatic Turtle Food – Hatchling Formula ⭐
• Zoo Med Natural Aquatic Turtle Food – Maintenance Formula ⭐
• Zoo Med Reptisticks Floating Aquatic Turtle Food
• Tetra ReptoMin Floating Food Sticks
• Zoo Med Turtle Treats — treats & enrichment
• Tetra ReptoTreat Gammarus — freeze-dried shrimp treats
• Zoo Med TurtleMatic Automatic Turtle Feeder

Live Feeder Fish:

• Feeder Guppies
• Rosey Red Feeder Fish

Supplements:

• Fluker's Repta Calcium

Lighting & Heating:

• Zoo Med Powersun UV Mercury Vapor Lamp ⭐ — UVB + basking heat
• Zoo Med Repti Tuff Splash-Proof Halogen Lamp ⭐ — splash-proof basking bulb
• Fluker's Black Nightlight Bulb — nighttime ambient heat

Ask our staff in-store for aquarium tanks, canister filters, submersible heaters, basking platforms, water conditioner, and liquid test kits.

📍 Visit Us In-Store

Open Tue–Sat 12–7 PM | Sun 12–5 PM — Come meet our Albino and Charcoal Red-Eared Sliders in person! Pick up your turtle food, feeder fish, and UVB lighting while you're here. Our staff will help you build the right aquatic setup for your turtle from day one.