SKU: 78738929567

KW Zone Dophin Bateria Growing Bio-Ball 400g FM908 (new)

Sale price$14.40 Regular price$16.00
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

KW Zone Dophin Bateria Growing Bio-Ball 400g FM908 (new)Biological Filtration for Healthier Aquatic Systems Enhance your aquariums water quality with KW Zones DoPhin Bacteria Growing Bio Ball FM908. Engineered for superior biological filtration, these mineral based bio balls release negative ions and provide an ideal surface for nitrifying bacteriahelping to break down harmful substances and maintain a clean, balanced aquatic environment. Negative Ion Release: Accelerates oxidation of ammonia and nitrite,

Biological Filtration for Healthier Aquatic Systems

Enhance your aquarium’s water quality with KW Zone’s DoPhin Bacteria Growing Bio-Ball FM908. Engineered for superior biological filtration, these mineral-based bio-balls release negative ions and provide an ideal surface for nitrifying bacteria—helping to break down harmful substances and maintain a clean, balanced aquatic environment.


  • Negative Ion Release: Accelerates oxidation of ammonia and nitrite, improving water clarity and purity.
  • Coarse, Porous Surface: Promotes easy water flow and optimal bacterial colonization.
  • Versatile Application: Suitable for indoor/outdoor, freshwater and marine systems.
  • Biological Filtration Support: Helps break down fish waste and organic pollutants naturally.
  • Durable Composition: Hard and crush-resistant for long-term use in all filtration setups.


  • High-Temperature Processing: Made by grinding micro-fine mineral substances and heating at 1300°C for maximum effectiveness.
  • Water Molecule Breakdown: Helps reduce large water molecules into smaller ones, boosting oxidation efficiency.
  • Universal Compatibility: Ideal for use in canister filters, sump systems, overhead filters, and pond filtration units.


  • Model: FM908
  • Brand: KW Zone / DoPhin
  • Type: Bacteria Growing Bio-Ball
  • Application: Freshwater & Marine
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78738929567

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4.7 ★★★★★
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K
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K M
Fort Morgan, US
★★★★★ 5
Excellent sport sock!
Size: One Size, Color: (100) White / White / Halo Gray
Molds onto foot, super soft and breathable. A lot of my ankle socks tend to slip or cut off blood circulation. This one literally is a perfect fit. No slip. After playing hours of tennis every week, my feet don't feel sore or bruised. Must buy!
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Reviewed in the United States on October 9, 2025
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Verified Purchase
Placeholder
Cuba, US
★★★★★ 5
Comfort!
Size: One Size, Color: (100) White / White / Halo Gray
Very comfortable! Thinner than the picture shows, but I like the fact that they are no show but still higher in the back and front to protect my heels and such.
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Reviewed in the United States on September 6, 2025
A
Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 1
Sizing way off
Size: One Size, Color: (100) White / White / Halo Gray
These were my favorite socks, at least the old style was. They redid them and I was okay with it. However, I don't understand how they are a one size fits most. I tried them on and they were still too big at the top. There was so much extra fabric at the toes. For reference, I wear a size 8.5 women's shoe, typically. The packaging says fits most from size 5.5 to 12. I don't understand how it fits that wide range of shoe size. Definitely returning these and I will be buying something else.
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Reviewed in the United States on October 10, 2024
L
Verified Purchase
Liliana C Viloria V
Lake Worth, US
★★★★★ 5
Genial
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Me encanta la textura y sobre todo que tiene para que siempre sepas en cuál pies va!
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Reviewed in the United States on August 29, 2025
M
Verified Purchase
m
Port Orchard, US
★★★★★ 5
Comfortable
Size: One Size, Color: (348) Silica Green / White / Titan Gray
Comfortable and stays in place
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Reviewed in the United States on May 27, 2025

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