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: 523399057

Details

Brand
Reefing Art
Item Form
Powder
Item Weight
1.75 Pounds
Liquid Volume
1.75 Litres
Number of Packs
1

🌊1.75L vast porous surface

🧱24 pcs ceramic blocks

♻️Reusable & sterilizable

412 zł

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Description

🧫 Elevate your aquarium’s ecosystem with next-level biofiltration!

TRUSTED BY AQUARISTS - Highly rated with 4.7 stars and praised for durability and performance.
BULK PACK CONVENIENCE - 24 pieces per box provide ample filtration media for large sumps or canisters.
LONG LASTING ECONOMICAL - Durable media can be cleaned, reused, and sterilized, saving you frequent replacements.
SAFE FOR FRESH SALTWATER - 100% non-metallic, heavy metal-free ceramic ensures a toxin-free aquatic environment.
SUPERIOR BIOFILTRATION EFFICIENCY - Porous ceramic structure maximizes beneficial bacteria growth for crystal-clear water.

This Reefing Art Ceramic Bio Filter Media offers 24 durable, porous ceramic blocks totaling 1.75 liters, designed to efficiently remove ammonia and nitrites in freshwater and saltwater tanks. Safe and non-metallic, it supports beneficial bacteria growth over 7-21 days and can be cleaned and reused, making it an eco-friendly and cost-effective filtration solution for serious aquarists.

Specifications

ASIN	B07V1D6LXW
Best Sellers Rank	#77,544 in Pet Supplies ( See Top 100 in Pet Supplies ) #781 in Filter Accessories
Brand Name	Reefing Art
Customer Reviews	4.7 4.7 out of 5 stars (770)
Item Form	Powder
Item Weight	1.75 Pounds
Liquid Volume	1.75 Litres
Manufacturer	Reefing Art
Manufacturer Part Number	1
Model Number	1
Number Of Items	24
Number of Packs	1
Pet Type	Fish
Target Species	Fish
Unit Count	24 Count

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412 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

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TrustScore 4.5 | 7,300+ reviews

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