Zoo Med ReptiSafe Filter Cartridge 318
Zoo Med's ReptiSafe Filter Cartridge 318 is positioned as a market-leading, reptile-focused pre-filled replacement cartridge because it combines mechanical filtration with a water-conditioning approach tailored to reptiles and amphibians, helping reduce chlorine and heavy-metal stress. Compared with Exo Terra and Tetra options it is often more specialized for herp-care needs and easier to install for small to medium enclosures, though it has less overall media volume than large canister-focused options like Fluval FX.
Chlorine neutralizer
Snap-in swap
Chlorine neutralizer
Snap-in swap
Review Summary
"Generally praised for fitting Zoo Med units and improving water clarity in small reptile setups; some users say cartridges are short-lived and replacements add up in cost."
Bog-fresh bonus
Pre-filled cartridge combining mechanical sponge and chemical media for quick swap-outs.
Bog-fresh bonus
Pre-filled cartridge combining mechanical sponge and chemical media for quick swap-outs.
Increased Safety & Security
Time-Saving Convenience
Zoo Med's ReptiSafe Filter Cartridge 318 is positioned as a market-leading, reptile-focused pre-filled replacement cartridge because it combines mechanical filtration with a water-conditioning approach tailored to reptiles and amphibians, helping reduce chlorine and heavy-metal stress. Compared with Exo Terra and Tetra options it is often more specialized for herp-care needs and easier to install for small to medium enclosures, though it has less overall media volume than large canister-focused options like Fluval FX.
Chlorine neutralizer
Snap-in swap
Bog-fresh bonus
Pre-filled cartridge combining mechanical sponge and chemical media for quick swap-outs.
Designed to work with Zoo Med ReptiSafe-compatible filter housings (model 318).
Chlorine neutralizer
Snap-in swap
Bog-fresh bonus
Pre-filled cartridge combining mechanical sponge and chemical media for quick swap-outs.
Designed to work with Zoo Med ReptiSafe-compatible filter housings (model 318).
$8-15 USD
Exo Terra Repti Clear F250 Replacement Cartridge
Exo Terra's Repti Clear F250 cartridge is best-in-class for terrarium-specific filtration, offering a compact pre-filled blend of mechanical and biological media optimized for low-flow, high-humidity amphibian and reptile environments. Versus Zoo Med and Fluval products it emphasizes gentle flow and enhanced biological support to protect delicate species, providing a cost-competitive, purpose-built cartridge for Exo Terra filter systems while trading off some raw capacity found in larger canister solutions.
Crystal-clear flow
Toolless install
Crystal-clear flow
Toolless install
Review Summary
"Effective at mechanical and chemical filtration and a straightforward drop-in for Exo Terra F250 units, though many buyers note carbon can clog fast and replacement cost is high."
Tank-sparkler
Made specifically for Exo Terra Repti Clear F250 filter units for straightforward replacements.
Tank-sparkler
Made specifically for Exo Terra Repti Clear F250 filter units for straightforward replacements.
Increased Safety & Security
Time-Saving Convenience
Exo Terra's Repti Clear F250 cartridge is best-in-class for terrarium-specific filtration, offering a compact pre-filled blend of mechanical and biological media optimized for low-flow, high-humidity amphibian and reptile environments. Versus Zoo Med and Fluval products it emphasizes gentle flow and enhanced biological support to protect delicate species, providing a cost-competitive, purpose-built cartridge for Exo Terra filter systems while trading off some raw capacity found in larger canister solutions.
Crystal-clear flow
Toolless install
Tank-sparkler
Made specifically for Exo Terra Repti Clear F250 filter units for straightforward replacements.
Contains layered foam and activated carbon to trap debris and remove odors and chemicals.
Crystal-clear flow
Toolless install
Tank-sparkler
Made specifically for Exo Terra Repti Clear F250 filter units for straightforward replacements.
Contains layered foam and activated carbon to trap debris and remove odors and chemicals.
$10-20 USD
Fluval FX Series Replacement Filter Media
Fluval FX series replacement media represents the technical leader for larger reptile and aquatic reptile enclosures thanks to high-capacity, modular multi-stage cartridges that deliver superior throughput and longer service intervals. Compared to smaller, reptile-specialized cartridges from Zoo Med or Exo Terra, Fluval's FX line is more expensive up front but typically more economical over time for heavily stocked or large-volume tanks due to greater media volume and durability.
Multi-layer polish
High-capacity
Multi-layer polish
High-capacity
Review Summary
"Restores Fluval FX canister performance with robust biological and mechanical media; reviewers commonly praise longevity and efficiency despite the higher price."
Aquascape superhero
High-capacity media designed for Fluval FX-series canister filters providing extended filtration.
Aquascape superhero
High-capacity media designed for Fluval FX-series canister filters providing extended filtration.
Increased Safety & Security
Time-Saving Convenience
Recreational Enjoyment
Fluval FX series replacement media represents the technical leader for larger reptile and aquatic reptile enclosures thanks to high-capacity, modular multi-stage cartridges that deliver superior throughput and longer service intervals. Compared to smaller, reptile-specialized cartridges from Zoo Med or Exo Terra, Fluval's FX line is more expensive up front but typically more economical over time for heavily stocked or large-volume tanks due to greater media volume and durability.
Multi-layer polish
High-capacity
Aquascape superhero
High-capacity media designed for Fluval FX-series canister filters providing extended filtration.
Includes multiple media types (mechanical foam, bio-media, activated carbon) to support biological and chemical filtration.
Multi-layer polish
High-capacity
Aquascape superhero
High-capacity media designed for Fluval FX-series canister filters providing extended filtration.
Includes multiple media types (mechanical foam, bio-media, activated carbon) to support biological and chemical filtration.
$45-80 USD
Zoo Med Turtle Clean 511 External Canister Filter Cartridge
Zoo Med's Turtle Clean 511 cartridge is tailored for heavy-duty turtle and larger aquatic reptile setups, offering substantial mechanical and biological media capacity in an external canister format to cope with high waste loads. It complements the smaller ReptiSafe 318 by providing much greater media volume and flow handling—making it the better technical choice for owners needing capacity and performance, albeit at a higher replacement cost than compact snap-in cartridges.
Turtle-optimized flow
Extra debris-trap
Turtle-optimized flow
Extra debris-trap
Review Summary
"Works well in the Zoo Med Turtle Clean 511, removing debris and being easy to replace; heavier turtle loads may require more frequent cartridge changes."
Shell-approved sweep
Specifically sized for the Zoo Med Turtle Clean 511 external canister filter for easy fit and replacement.
Shell-approved sweep
Specifically sized for the Zoo Med Turtle Clean 511 external canister filter for easy fit and replacement.
Increased Safety & Security
Time-Saving Convenience
Zoo Med's Turtle Clean 511 cartridge is tailored for heavy-duty turtle and larger aquatic reptile setups, offering substantial mechanical and biological media capacity in an external canister format to cope with high waste loads. It complements the smaller ReptiSafe 318 by providing much greater media volume and flow handling—making it the better technical choice for owners needing capacity and performance, albeit at a higher replacement cost than compact snap-in cartridges.
Turtle-optimized flow
Extra debris-trap
Shell-approved sweep
Specifically sized for the Zoo Med Turtle Clean 511 external canister filter for easy fit and replacement.
Multi-stage media combining coarse sponge, fine foam, and chemical media to manage waste from aquatic turtles.
Turtle-optimized flow
Extra debris-trap
Shell-approved sweep
Specifically sized for the Zoo Med Turtle Clean 511 external canister filter for easy fit and replacement.
Multi-stage media combining coarse sponge, fine foam, and chemical media to manage waste from aquatic turtles.
$30-60 USD
Tetra ReptoFilter Replacement Cartridges
Tetra's ReptoFilter replacement cartridges are a practical, budget-conscious option that deliver reliable mechanical filtration and easy snap-in replacements for basic reptile and amphibian filter units. While they don't match the high media capacity of Fluval FX or the reptile-specific chemical treatments of some Zoo Med products, their low price and wide retail availability make them a sensible choice for entry-level setups or frequent cartridge replacement schedules.
Budget-savvy swap
Quick-click fit
Budget-savvy swap
Quick-click fit
Review Summary
"Budget-friendly, convenient proprietary cartridges for Tetra ReptoFilter units, but many users find they have limited capacity and need replacing more often in messy tanks."
Kid-friendly change
Affordable pre-filled cartridges designed for Tetra ReptoFilter units to simplify filter upkeep.
Kid-friendly change
Affordable pre-filled cartridges designed for Tetra ReptoFilter units to simplify filter upkeep.
Time-Saving Convenience
Increased Safety & Security
Tetra's ReptoFilter replacement cartridges are a practical, budget-conscious option that deliver reliable mechanical filtration and easy snap-in replacements for basic reptile and amphibian filter units. While they don't match the high media capacity of Fluval FX or the reptile-specific chemical treatments of some Zoo Med products, their low price and wide retail availability make them a sensible choice for entry-level setups or frequent cartridge replacement schedules.
Budget-savvy swap
Quick-click fit
Kid-friendly change
Affordable pre-filled cartridges designed for Tetra ReptoFilter units to simplify filter upkeep.
Basic mechanical and chemical media remove particulates and reduce chlorine and odors.
Budget-savvy swap
Quick-click fit
Kid-friendly change
Affordable pre-filled cartridges designed for Tetra ReptoFilter units to simplify filter upkeep.
Basic mechanical and chemical media remove particulates and reduce chlorine and odors.
$8-18 USD