Fluval Betta Poly-Carb Cartridge, 4-Pack

The Fluval Betta Poly-Carb Cartridge is the genuine replacement filter media for the Fluval Betta Premium Aquarium Kit (6 US Gal / 22.7 L). Each carbon-impregnated polyester cartridge delivers 2-in-1 mechanical and chemical filtration, trapping fine debris while pulling dissolved toxins, odors, and discoloration out of the water to keep your betta's home clean and clear. This convenient 4-pack keeps you stocked for regular changes. Browse more filter media at Squeaky's Aquatics.

Features

• 2-in-1 filtration: combines mechanical debris removal with activated carbon chemical filtration in a single cartridge.
• Carbon-impregnated polyester: traps fine particles and adsorbs harmful toxins, odors, and tannin discoloration.
• Crystal-clear water: keeps the betta kit's water polished and healthy between water changes.
• Easy drop-in replacement: slides straight into the kit's filter chamber, no cutting or rinsing of loose media.
• Convenient 4-pack: a full year of changes at the recommended interval.

How to Use

Replace the cartridge every 2 to 4 weeks for best results. Slide the used cartridge out of the filter chamber and drop in a fresh one. To protect your beneficial bacteria, avoid changing the cartridge on the same day you clean or replace the foam block or BIOMAX media.

Specifications

Recommended Pairings

• Fluval Betta Premium Aquarium Kit, the tank this cartridge is made for.
• Water conditioner to dechlorinate every water change.
• Betta food to keep your fish colorful and healthy.

Frequently Asked Questions

Which tank does this fit?
It is designed for the Fluval Betta Premium Aquarium Kit, 6 US Gal / 22.7 L model. The smaller 2.6 gallon betta kit uses a different cartridge.

How often should I change it?
Every 2 to 4 weeks. A 4-pack covers you for regular changes.

Do I need to rinse it first?
No. Just drop the new cartridge into the filter chamber. Avoid replacing it the same day you service the foam or biological media so your beneficial bacteria stay stable.