Top 10 Best turtle calcium block in 2026

Last Updated - 7/3/2026

🏆Best Choice

Tetra

TetraFauna AquaSafe for Reptiles and Amphibians 3.38 Ounces, Aqua-Terrarium Water Conditioner, Makes Tap Water Safe

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•CONDITIONS AQUA-TERRARIUM WATER: Essential care formula for pet reptiles and fragile amphibians.
•MAKES TAP WATER SAFE: Instantly neutralizes harmful chlorine, chloramines, ammonia and heavy metals.
•INSTANT RESULTS: Liquid formula works in seconds to condition aqua-terrarium water.
•PROTECTS SKIN: Contains colloids to protect the skin of turtles and other species.
•USAGE: Add 1 tsp for every 10 gallons of water.

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$5.52

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Tetra

TetraFauna ReptoGuard Turtle Health Water Conditioner 1 Count, Slow-Release

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•TURTLE HEALTH CONDITIONER: Slow-release, dissolving block helps create a healthier environment for aquatic turtles, amphibians and other reptiles.
•SUPPORTS TURTLE HEALTH: Medicated sulfa block helps support normal health for a happy turtle.
•SLOW RELEASE: Dissolves slowly and lasts up to 60 days, releasing the active ingredients over time.
•TURTLE SHAPE: Unique, turtle-shaped block.
•USAGE: Use one TetraFauna ReptoGuard Turtle Health Conditioner block per 20 gallons of water.

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$1.19

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Fluker's

Fluker's Calcium Reptile Supplement with added Vitamin D3, 2 oz.

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•….

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$3.99

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Zoo Med

Zoo Med Banquet Block Aquatic Turtle Food

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Helps neutralize acidic water
•Helps maintain a turtle's beak
•Made in the USA

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$2.39

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Zoo Med

Zoo Med Dr.Turtle Slow-Release Calcium Block (Pack of 5)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•5 Pack Of Zoo Med Dr.Turtle Slow-Release Calcium Block
•Helps provide your turtle with the required calcium he needs.
•Encourages proper shell growth and development when accompanied with UVB lighting and heat.
•The block slowly releases calcium as it dissolves.
•Easy-to-use—simply place the turtle-shaped block into your pet’s water.

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$9.34

$12.74

-27%

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Zoo Med

Zoo Med Dr.Turtle Slow-Release Calcium Block, 10pk

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Turtles require UVB lighting and heat for proper shell growth and development
•Dr Turtle is a slow-release calcium block
•To use, simply place the Dr. Turtle Block in your turtles water supply
•Turtles require UVB lighting and heat for proper shell growth and development
•Pack of 10

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$15.22

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Rep-Cal

HERPTIVITE Multivitamin for reptiles and amphibians (3.3 oz) Blue Bottle, 1 Pack

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Multivitamin Supplement
•Contains Sea Vegetation

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$13.19

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Zoo Med

Zoo Med Aquatic Turtle Banquet Block , 0.5 Ounce (Pack of 1)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Food and calcium supplement treat for aquatic turtles
•Contains Zoo Med Turtle Food Pellets in a calcium base for a healthy treat
•Helps maintain a turtles beak by preventing overgrowth and neutralizing acidic water
•Provide turtles additional food source while away on vacation, keeping them entertained and occupied
•Made in the USA

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Zoo Med

Zoo Med Block Value Pack for Aquatic Turtle [Set of 2]

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Bundle Includes: 10 regular size Aquatic Turtle Banquet Blocks
•Food, entertainment, and the calcium turtles need for healthy shells in one
•Contains Zoo Med's Natural Aquatic Turtle Food Pellets in a solid calcium base
•Chewing the solid calcium to get at the tasty pellets keeps your turtle's beak trimmed and healthy
•Made in the USA

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$11.81

$20.99

-44%

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DQITJ

DQITJ 24 Pcs Reptile Calcium Stone Natural Calcium Mineral for Turtle Tortoise Lizard Frog Chameleon Reptiles

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•PACKAGE: 24 pcs calcium stone included
•SIZE: About 0.47"L x 0.47"W x 0.47"H
•MATERIAL: Contains a variety of trace elements, improve the immunity of reptiles and keep healthily
•HOW TO USE: It can be directly put into water to dissolve and eat; and can also be directly placed in a feeding bowl for reptiles to eat directly
•APPLICATION: Suitable for turtle, tortoise, lizard, frog, chameleon and other reptiles, even aquatic animals can be used as well

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$9.99

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