I use an S10 filter on my 5 gallon betta tank .For best results with tropical fish should I use (1) Bio-carb and (1) Bio-clear or (2) bio-carb's?

It is confusing that they only provide one of each cartridge with the power filter kit, so I actually emailed Hagen customer support (the makers of these filters), and, according to them, you are supposed to use two of the same type of filter cartridge, not one of each. So you should be using 2 BioCarb cartridges for your betta.

Can i used in a marine aquarium?

Yes I have a 20 gallon Marina fish aquarium

What if you have a 5 gallon tank with guppies, can you use one filter cartridge at a time instead of 2?

If your raising guppies, I'm thinking that two would be better. It also depends on how many fish per square inch the tank will hold. Good luck...

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Marina Slim Filter Carbon Plus Ceramic Cartridge, (3 Pack/Cartridge), White

Product ID: 1896879

Details

Brand
Marina
Item Form
rectangular
Item Weight
2.4 ounces
Number of Packs
3
Unit Count
1 Count

🧬Ceramitek ceramic for bio-filtration

♻️Activated carbon for pollutant removal

🛠️3-pack genuine Marina replacement

76 zł

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Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐠 Elevate your aquarium game with crystal-clear confidence!

TRIPLE POWER PACK - Three genuine Marina cartridges for continuous, hassle-free aquarium care
EASY BI WEEKLY SWAP - Simple disposable cartridges replaced every two weeks to keep your tank thriving
DUAL ACTION FILTRATION - Activated carbon removes odors & toxins while Ceramitek boosts biological filtration
BACTERIA FRIENDLY DESIGN - Never replace all cartridges at once to preserve beneficial bacteria and ecosystem balance
OPTIMIZED FOR TROPICAL FISH - Specifically designed to maintain crystal-clear, healthy water for vibrant aquatic life

The Marina Slim Filter Carbon Plus Ceramic Cartridge 3-pack offers a premium replacement solution for Marina Slim Filter models S10, S15, and S20. Combining activated carbon and Ceramitek ceramic media, these cartridges efficiently remove pollutants and optimize biological filtration, ensuring a healthy environment for tropical fish. Designed for easy bi-weekly replacement without disrupting beneficial bacteria, this pack keeps your aquarium water pristine and your aquatic life thriving.

Specifications

ASIN	B0032GED02
ASIN	B0032GED02
Allergen Information	Nut Free
Best Sellers Rank	#15,244 in Pet Supplies ( See Top 100 in Pet Supplies ) #110 in Aquarium Filter Accessories
Brand Name	Marina
Customer Reviews	4.6 4.6 out of 5 stars (4,189)
Date First Available	December 30, 2009
Department	Unisex-Adult
Global Trade Identification Number	00015561102919
Included Components	All Items listed in Description
Item Form	rectangular
Item Type Name	HAGEN MARINA SLIM CARBON 3 count
Item Weight	2.4 ounces
Item model number	A291
Manufacturer	Rolf C. Hagen (USA) Corp.
Manufacturer	Rolf C. Hagen (USA) Corp.
Manufacturer Part Number	A291
Model Number	A291
Number of Items	1
Number of Packs	3
Pet Type	Fish
Product Dimensions	1.5 x 3 x 6 inches; 2.4 ounces
Target Species	Fish
UPC	015561102919
Unit Count	1 Count
Warranty Description	Manufacturer Warranty

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76 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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5 days ago

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