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)

Product ID: 144786027

Details

Brand
Reefing Art
Item Form
Pieces
Item Weight
1.8 pounds
Liquid Volume
1.75 liters
Number of Packs
1

🌊Vast porous surface area for max bio filtration

🧩24 pcs per box - perfect modular bio media

🛡️100% non-metallic ceramic - safe & durable

฿3081

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Description

🧬 Elevate Your Aquarium’s Bio Power — Because Your Fish Deserve the Best!

TAILORED FOR EVERY TANK - Ideal for freshwater, pond, and saltwater setups—versatility that fits your unique aquatic ecosystem.
AMPHIPOD FRIENDLY HABITAT - Creates natural micro-homes for beneficial critters, enhancing your tank’s biological balance.
SAFE NON TOXIC FILTRATION - Crafted from 100% aquarium-safe ceramic with zero heavy metals, ensuring a toxin-free environment.
BULK VALUE PREMIUM QUALITY - 24-piece set delivers half a gallon of bio media, offering unbeatable value for serious aquarists.
MAXIMIZE YOUR AQUARIUMS HEALTH - Vast porous internal structure boosts beneficial bacteria growth for superior ammonia and nitrite removal.

Reefing Art Ceramic Bio Filter Media offers 24 high-quality ceramic pieces with a vast porous surface area designed to maximize beneficial bacteria colonization. Suitable for freshwater, pond, and saltwater tanks, this non-metallic, heavy metal-free bio media efficiently removes ammonia and nitrite, promoting a healthier aquatic environment. Each box provides half a gallon of premium filtration media, delivering excellent value and enhanced biological filtration for aquarium enthusiasts.

Specifications

ASIN	B07V1D6LXW
ASIN	B07V1D6LXW
Best Sellers Rank	#28,850 in Pet Supplies ( See Top 100 in Pet Supplies ) #277 in Aquarium Filter Accessories
Brand Name	Reefing Art
Customer Reviews	4.7 4.7 out of 5 stars (817)
Date First Available	July 8, 2019
Item Form	Pieces
Item Weight	1.8 pounds
Item model number	1
Liquid Volume	1.75 liters
Manufacturer	Reefing Art
Manufacturer	Reefing Art
Manufacturer Part Number	1
Model Number	1
Number of Items	24
Number of Packs	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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฿3081

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered 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 Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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