SPARE SPONGE FOR GRAVITY FEED POND BIO FILTER

SPARE SPONGE FOR GRAVITY FEED POND BIO FILTER

Keep your pond filtration system working efficiently with the Spare Sponge for Gravity Feed Pond Bio Filter. Designed as a replacement for the Gravity Feed Pond Bio Filter with 36W UV Light, these filter sponges help trap dirt, debris and fish waste, keeping your pond water cleaner and clearer.

Over time, pond filter sponges can become clogged, worn or damaged, reducing water flow and filtration performance. Replacing them when needed helps maintain effective filtration and supports a healthier environment for your fish and aquatic plants.

Each replacement set includes 2 blue coarse-grade filter sponges, specifically sized to fit the compatible gravity feed pond bio filter.

Why Choose These Replacement Filter Sponges?

• Designed for Gravity Feed Pond Bio Filters – Compatible with the Gravity Feed Pond Bio Filter and 36W UV Light Combo.

• Effective Mechanical Filtration – Helps trap dirt, debris and suspended particles from pond water.

• Two Sponges Included – Each set contains 2 blue replacement filter sponges.

• Coarse-Grade Filter Foam – Allows water to pass through while capturing larger debris.

• Supports Biological Filtration – Provides a surface where beneficial bacteria can establish themselves.

• Maintains Water Flow – Replacing worn or damaged sponges helps keep water moving efficiently through the filtration system.

• Easy to Replace – Convenient replacement sponges make maintaining your existing pond filter simple.

Specifications

Specification	Details
Product Type	Replacement Pond Filter Sponge
Compatible Filter	Gravity Feed Pond Bio Filter with 36W UV Light
Quantity	2 Sponges
Colour	Blue
Foam Grade	Coarse
Length (Each Sponge)	45cm
Width (Each Sponge)	29cm
Thickness (Each Sponge)	7cm
Filtration Type	Mechanical Filtration

What's Included?

Each replacement set contains:

• 2 × Blue Coarse-Grade Pond Filter Sponges

Sponge Dimensions: 45cm (L) × 29cm (W) × 7cm (Thick) each.

Please Note: This product includes replacement filter sponges only. The gravity feed pond bio filter, UV light, pump and other filter media are not included.

How Do These Filter Sponges Work?

These replacement sponges form part of the mechanical filtration system inside your gravity feed pond bio filter.

As pond water passes through the filter, the coarse foam helps capture dirt, debris and solid waste before the water continues through the biological filtration media.

The biological media provides a surface for beneficial bacteria that help break down harmful fish waste, supporting a healthier pond environment.

By keeping the mechanical filtration stage working effectively, these sponges help reduce the amount of debris reaching the biological filter media.

When Should You Replace Your Pond Filter Sponges?

Regular cleaning helps extend the lifespan of your filter sponges, but they may eventually need replacing.

Consider replacing your sponges if:

• The foam becomes torn, brittle or damaged.

• The sponges no longer hold their original shape.

• Water flow remains restricted even after cleaning.

• The foam has deteriorated and no longer traps debris effectively.

Good to Know

When cleaning your pond filter sponges, gently rinse them in a bucket of existing pond water rather than untreated tap water. This helps preserve the beneficial bacteria living within the filter media.

Avoid using soaps, detergents or harsh cleaning chemicals.

You don't need to replace your sponges every time you clean your filter. Replacement is generally only necessary when the foam becomes damaged, worn or no longer performs effectively.

Whether you're carrying out routine maintenance or replacing worn filter media, these Spare Sponges for Gravity Feed Pond Bio Filters offer a simple and practical way to keep your pond filtration system working efficiently.

Need help installing? Drop Us A Line.