Will this work for the topfin 40 gallon?

It depends on the capacity of your filter. Clients typically use cartridges "large" for fish tank 40 gallon

how do you replace carbon after using algae tablets?

There is a filtration system in my tank placed at the upper part of the tank at the back. I open the topmost flap and you can see where these Bio-Bags are supposed to go. Take the old one out taking note of how they were inserted and do the same thing.

What goes in front the Biofoam foam Or the disposable filter cartridge ?

The biofoam then the filter that's the way i did it.

will this fit whisper 60 filter

I checked the box and YES it will.

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Tetra Whisper ATS26170 Assembled BioBag Filter Cartridges, Large 6 Count

Product ID: 22462073

Details

Brand
Tetra
EU Spare Part Availability Duration
1 years
Item Weight
8 ounces
Material
Carbon Fiber
Product Benefits
[Improves and

💧Crystal-clear water filtration

🧹Mesh traps debris & fish waste

🛠️6 pre-assembled cartridges, ready to use

7714 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Keep your tank whisper-quiet and crystal clear—because your fish deserve the best!

BULK PACK CONVENIENCE - Large 6-count pack ensures you’re stocked and never caught off guard.
SUPERIOR WATER CLARITY - Advanced carbon fiber media removes odors and discoloration for pristine tanks.
ECO FRIENDLY WASTE CAPTURE - Durable mesh efficiently traps debris and fish waste, promoting a healthier aquatic environment.
EFFORTLESS AQUARIUM MAINTENANCE - Pre-assembled cartridges save time and hassle—just pop in and go!
UNIVERSAL WHISPER COMPATIBILITY - Fits all Whisper power filters (20i, 40i, c, 20, 30, 40, 60) for seamless integration.

The Tetra Whisper ATS26170 Assembled BioBag Filter Cartridges come in a large 6-count pack, designed for easy, ready-to-use installation. Compatible with a wide range of Whisper power filters, these carbon fiber cartridges efficiently remove odors, discoloration, and debris, ensuring crystal-clear water and a healthier aquarium environment.

Specifications

ASIN	B014TB09XI
ASIN	B014TB09XI
Best Sellers Rank	#79,448 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,205 in Aquarium Filter Accessories
Brand Name	Tetra
Customer Reviews	4.7 4.7 out of 5 stars (936)
Date First Available	September 2, 2015
EU Spare Part Availability Duration	1 years
Item Type Name	Cartridges
Item Weight	8 ounces
Item model number	26170
Manufacturer	Tetra
Manufacturer	Tetra
Manufacturer Part Number	Tet-2959
Manufacturer Warranty Description	Tetra Whisper ATS26170 Assembled BioBag Filter Cartridges, Large 6 Count
Material Type	Carbon Fiber
Model Number	26170
Number of Items	2
Package Dimensions	12.91 x 9.29 x 5.16 inches; 8 ounces
Product Benefits	[Improves water clarity, Removes odors and discoloration, Catches debris and fish waste]
Set Name	Tetra Whisper Bio-Bag Cartridge Set
UPC	024144491821
Unit Count	6 Count

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