Double-Ended Flexible Aquarium Pipe Cleaning Brush

Reach all the way through a filter hose in one pass — a springy stainless brush with a head at each end for wide and narrow tubing.

Filter tubing is where sludge, algae film, and biofilm quietly build up, choking your flow and dropping the oxygen and circulation your tank depends on — and it's the one place a normal brush can't reach. This tool is built for exactly that job: a long, flexible stainless-steel spring with a brush on each end, so you can feed it straight through an intake or output hose and scrub the full length of the pipe in a single pass. The two ends carry different-sized heads — a wide one for large-diameter pipes and lily-pipe bells, a narrow one for standard hose — so one tool covers most of the tubing on a canister or hang-on filter. The spring bends around corners and curves without kinking, then springs back straight.

Why Aquascapers Choose This Brush

• 🔩 Stainless-steel spring core — bends freely around hose curves and elbows, then returns to shape instead of taking a permanent kink.
• ↔️ Two heads, two jobs — a 30 mm head for wide pipes and lily-pipe openings, plus a narrower head (15 mm or 18 mm depending on length) for standard filter hose.
• 📏 Three lengths for different runs — 90 cm for short hops, 155 cm for typical canister runs, 200 cm for long or double-looped tubing.
• 🧽 Soft nylon bristles — dense enough to lift biofilm and debris, soft enough that they won't gouge acrylic pipes or glass lily pipes.
• 🤸 Flexible enough for tight bends — feeds through U-bends and spray-bar corners a rigid brush can't follow.
• 🧰 Beyond the aquarium — the same brush handles other long, narrow tubes around the house once it's retired from tank duty (keep tank and non-tank tools separate).

⚠️ Match the length to your tubing, and check the head sizes. Buy a brush at least as long as your pipe run, or you can't push it all the way through. Note that the small-head size changes by length: the 200 cm has a 15 mm small head, while the 155 cm and 90 cm have 18 mm small heads. Both share a 30 mm large head. If your tubing is narrower than the small head, the brush won't pass.

💡 Pro tip: "stainless" is rust-resistant, not rust-proof. A stainless spring left damp will eventually spot, and this one lives inside wet hoses. Rinse it in clean water and let it dry fully after every use — don't coil it away wet. A dry brush lasts years; a permanently damp one rusts at the coils.

💡 Pro tip: pull the debris out, don't push it into the tank. Work the brush through the hose while the pipe is disconnected and over a bucket or sink, then flush the loosened gunk out with old tank water. Brushing a connected hose just drives the sludge straight into your display.

Choose Your Size

Bristle colour may vary (blue, yellow, black, or white have all been produced) — colour has no effect on function.

Specifications

What's in the Box

• 1 × double-ended flexible pipe brush (in your selected length)

This is the single double-ended spring brush. It is not the separate keyring set of small straw brushes — if you need a range of tiny diameters (2–12 mm) for airline and rigid tubing, that's a different product.

Pairs Well With

• Glass lily pipes / inflow-outflow set — the 30 mm head is sized to scrub out the algae film that clouds clear glass pipes.
• Acrylic tube connectors and rigid tubing — keep the joints and bends clear where flow slows and gunk collects.
• Algae scraper — the brush does the pipes, the scraper does the glass; together they cover a full maintenance session.
• A gravel vacuum / siphon — brush the hoses, then use the water change to flush everything you loosened out of the system.

Your Top 5 Questions — Answered

1. Will this fit my filter tubing?

= Check your hose diameter against the two heads. The large head is 30 mm across, sized for wide intake pipes and lily-pipe bells; the small head is 15 mm or 18 mm depending on the length you buy (200 cm = 15 mm, 90 and 155 cm = 18 mm). Standard aquarium filter hose usually falls in that small-head range. If your tubing's inner diameter is smaller than the small head, the brush won't pass through — measure first.

2. Which length should I get?

= Pick a brush at least as long as your longest hose run. The 155 cm covers most standard canister filter setups and is the usual pick. Go 200 cm for tall tanks, long runs, or tubing you've coiled or looped; drop to 90 cm for a nano tank or a short hang-on-back filter line.

3. Will the bristles scratch my glass lily pipes or acrylic?

= The bristles are soft nylon and are gentle on glass and acrylic in normal use. As with any tank tool, the real scratch risk is grit — if you've been cleaning substrate, rinse the brush before running it through a clear pipe so you're not dragging sand through the glass.

4. Is the spring going to rust?

= It's stainless steel, so it's rust-resistant, but "resistant" isn't "proof" — and it spends its working life inside wet hoses. Rinse it and let it dry completely after each use rather than coiling it away damp, and it'll hold up for years. Stored wet, any stainless spring will eventually spot at the coils.

5. Is this the brush set with all the small sizes on a ring?

=No. This listing is the double-ended flexible spring brush with one large and one small head, made for feeding through filter pipes. The keyring set of ten small straw brushes (2–25 mm) is a separate product for airline and narrow rigid tubing. If you're not sure which you need, the spring brush is for filter hoses; the straw set is for tiny tubes.

Ships within 20–25 business days.