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Aqua One Sponge 35S – Replacement Biological Sponge for Mini 301F Filter

(3 customer reviews)

Original price was: $5.70.Current price is: $2.38.

Traps debris and supports beneficial bacteria for clean, healthy aquarium water.

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Aqua One Sponge 35S 1 Pack

Keep your aquarium water clean and healthy with the Aqua One Sponge 35S 1 Pack, the genuine replacement biological sponge for the Aqua One Mini 301F Internal Filter. Designed to trap debris, waste and excess food, this high-quality sponge also provides essential surface area for beneficial bacteria to grow, helping break down harmful toxins and support stable water conditions.

Easy to install and recommended for replacement every 8 weeks, the 35S sponge ensures your filter continues to operate efficiently, delivering crystal-clear water and a healthier environment for your fish.

Key Features & Benefits

  • Genuine Aqua One replacement sponge for Mini 301F Internal Filters
  • Biological filtration surface for beneficial bacteria growth
  • Traps debris, waste, and excess food
  • Designed for efficient internal filter performance
Specification Detail
Model 35S
Compatibility Aqua One Mini 301F Internal Filter
Quantity 1 Pack
Replacement Interval Every 8 weeks

FAQ

Is the Aqua One Sponge 35S compatible with the Mini 301F filter?

Yes, the Aqua One Sponge 35S is specifically designed as a genuine replacement for the Aqua One Mini 301F Internal Filter.

How often should I replace the sponge?

It is recommended to replace the sponge every 8 weeks to maintain optimal filter performance.

Does the sponge support biological filtration?

Yes, the sponge provides a large surface area for beneficial bacteria to grow, supporting biological filtration and toxin breakdown.

3 reviews for Aqua One Sponge 35S – Replacement Biological Sponge for Mini 301F Filter

  1. Edward Greene –

    I replaced my old sponge with the 35S model and noticed a clear improvement in water clarity within a week. The filter works smoothly and the fish seem more active. Easy to install and fits perfectly in the Mini 301F filter.

  2. Jacob Avery –

    The sponge holds up well after 6 weeks of use. It traps food waste effectively and keeps the water clean. I haven’t had any filter clogging issues since switching to this sponge.

  3. Anthony Wilkins –

    Great product for maintaining a healthy tank environment. The bacteria growth is visible and the water stays stable. I follow the 8-week replacement schedule and it’s been reliable so far.

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