How many needed for 75 gal saltwater fowlr tank?

Every aquarium is different, it depends on filtration type and bio load. Bio load is the first thing to be considered. A 10 gallon tank with 10 fish needs more media than a 100 gallon tank with 1 fish. Generally speaking 1 box of this ceramic media can handle 40gal high bio load / 80gal medium bio load / 120gal low bio load. Saltwater tanks need more media as saltwater fish is more sensitive to ammonia and nitrite compare to freshwater species. Filter types need to be considered as well: Hang on back filter, canister filter or wet dry system require LESS media. Because all water entering filter is pushed through the media, makes the filtration highly efficient. If the media is placed in tank or sump, MORE media is recommended.

Cross section size (approximate)?

Each piece measures 4” x 1 1/8” x 1 1/8”

Should I arrange these vertically to allow for water flow through, for stack horizontally to provide water reisistance?

IMO, if the media is placed in low flow area, arrange it vertically will allow more water to pass through. If flow is strong enough, arrange horizontally will increase contact time. Either way works.

About 8 of the pieces floats and cant get them to sit at the bottom of my tank. Any suggestions?

I silicone mine in together in groups of 6. Just a dab works great

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Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister (1 Box / 24 pcs)

Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister (1 Box / 24 pcs)

Product ID: 144786027

Details

Brand
Reefing Art
Item Form
Pieces
Item Weight
1.75 Pounds
Liquid Volume
1.75 Liters
Unit Count
24 Count

🌊Vast porous surface area for max bio-efficiency

🧩24 pcs per box for scalable filtration

🛡️100% non-metallic, aquarium-safe ceramic

21643 Ft

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Description

🧪 Elevate Your Aquarium’s Ecosystem with Next-Level Bio Filtration!

TRUSTED BY ENTHUSIASTS - Ranked #291 in Aquarium Filter Accessories with a stellar 4.7-star rating from over 800 reviews—join the community of savvy aquarists.
LIGHTWEIGHT YET DURABLE - At just 1.75 lbs per box, these bio media pieces are easy to handle without compromising filtration efficiency.
SCALABLE FILTRATION POWER - Each box contains 24 ceramic pieces, perfect for customizing sump or canister filters to your tank’s exact needs.
MAXIMIZE YOUR AQUARIUMS HEALTH - Vast porous internal structure boosts beneficial bacteria growth for superior ammonia and nitrite removal.
SAFE FOR EVERY AQUATIC ENVIRONMENT - 100% non-metallic ceramic ensures zero heavy metal leaching—ideal for freshwater, saltwater, and pond ecosystems.

Reefing Art Ceramic Bio Filter Media offers 24 high-efficiency ceramic pieces per box, designed with a vast porous surface area to optimize beneficial bacteria growth and remove harmful ammonia and nitrites. Safe for freshwater, saltwater, and pond tanks, this lightweight, non-metallic ceramic media ensures no heavy metal contamination, making it a trusted choice for aquarium enthusiasts seeking superior filtration performance.

Specifications

ASIN	B07V1D6LXW
ASIN	B07V1D6LXW
Best Sellers Rank	#29,601 in Pet Supplies ( See Top 100 in Pet Supplies ) #291 in Aquarium Filter Accessories
Brand Name	Reefing Art
Customer Reviews	4.7 4.7 out of 5 stars (801)
Date First Available	July 8, 2019
Item Form	Pieces
Item Weight	1.75 Pounds
Item model number	1
Liquid Volume	1.75 Liters
Manufacturer	Reefing Art
Manufacturer	Reefing Art
Manufacturer Part Number	1
Model Number	1
Package Dimensions	7.36 x 4.76 x 4.49 inches; 1.75 Pounds
Pet Type	Fish
Target Species	Fish
Unit Count	24 Count

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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21643 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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2 days ago

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