ClearCurrent – Green Honeycomb Aquarium Filter Cube
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Clearer Aquarium Water Starts With One Small Cube
That cloudy, yellow water hides the fish you set the tank up for. It can smell, too. ClearCurrent is a filter cube with activated carbon inside. Open honeycomb channels pull in dissolved waste, while the outer layer catches the bigger stuff first. That outer layer is what keeps the block from clogging so fast. Drop it in, and it starts working.
Measures 10 x 10 cm — a cube, not a sheet you have to cut down.
A simple filter cube for clearer-looking water
✓ Stop staring at cloudy, yellow waterActivated carbon pulls dissolved waste and tannins out of the water, so your fish are the thing you see — not the haze in front of them.
That damp, organic odor comes from waste sitting in the water. Carbon holds onto it instead of letting it drift into the room.
Most blocks load up at the surface and choke off your flow. The outer layer here catches larger debris first, so the honeycomb channels inside stay open and working.
Hold it under the tap, squeeze, put it back. It takes about a minute and saves you pulling the whole filter apart.
It won't flatten or collapse in the filter chamber the way loose media bags do, so water keeps moving through it instead of around it.
| Feature | ClearCurrent | Loose carbon bag | Plain filter sponge |
|---|---|---|---|
| Removes odor | ✓ | ✓ | ✗ |
| Clears yellow tint | ✓ | ✓ | ✗ |
| Holds shape | ✓ | ✗ | ✓ |
| Clog-resistant layer | ✓ | ✗ | ✗ |
| Rinse and reuse | ✓ | ✗ | ✓ |
What you get today
- ClearCurrent honeycomb carbon filter cube
- Activated carbon for odor and discoloration
- Outer layer that catches larger debris first
- Ready to use — rinse and drop it in
- Free tracked shipping
Production runs in batches — once this batch sells out, restock pricing may change.
Try ClearCurrent for clearer-looking aquarium water with this limited-time offer.
If it doesn't deliver the intended result or isn't as easy to use as described, return it for a full refund.
Frequently asked questions
Will it fit my filter?The cube measures 10 x 10 cm. Check the open space in your filter chamber or sump before ordering. It sits in the flow path — it does not need to seal the chamber.
How soon will the water look clearer?
Carbon works on dissolved color and odor, so a yellow tint usually fades first. Cloudiness from algae, overfeeding, or a new tank cycle has a different cause and needs a water change or a feeding adjustment too.
How often do I rinse it?
Rinse it when you notice flow slowing down, or during your normal filter cleaning. Use tank water or dechlorinated tap water.
Is it safe with shrimp and sensitive fish?
Activated carbon is a standard, inert aquarium medium. Rinse the cube before first use to clear any loose carbon dust.
How to use
- Rinse the cube under running water for about 30 seconds to flush out loose carbon dust.
- Place it in your filter chamber, sump, or flow path where water passes through it rather than around it.
- Squeeze and rinse it during your regular filter maintenance to keep the channels open.
- Replace the cube once rinsing no longer restores flow, or once odor and discoloration return.
Specifications
- Size: 10 x 10 cm cube
- Material: Activated carbon block with a polyurethane outer layer
