JBJ Activated Carbon for 28g Nano Cube Aquarium
$6.50
in stock
UPC: 6940005100418
Keep your Nano Cube aquarium odor-free and crystal clear with this high-efficiency JBJ Aquarium 28G Nano Cube activated carbon insert. Designed for JBJ Nano Cubes from 6 gallons to 28 gallons in size, it removes discoloration, polishes your water,, and makes monthly maintenance a breeze.
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28G Nano Cube Activated Carbon – JBJ Aquarium
The 28G Nano Cube Activated Carbon by JBJ Aquarium is a go-to solution for anyone trying to keep their tank crystal clear. Whether you’ve got a 6G or a full 28G JBJ Nano Cube, this replacement carbon is built to keep your water clean and your fish happy. It works great in both saltwater and freshwater aquariums.What Exactly Is Activated Carbon?
Let’s break it down. Activated carbon is basically charcoal that’s been through some intense spa treatment—heated to high temps until it’s filled with millions of tiny pores. These pores massively increase the surface area, turning it into a magnet for all kinds of nasty stuff floating around in your tank. Think of it as your aquarium’s detox coach—pulling out pollutants like:- Chlorine and chloramine
- Tannins (those things that turn your water tea-colored)
- Phenols (smelly compounds that make your tank smell off)
- Some heavy metals like copper and lead
Why You Need This in Your Filter
Using activated carbon isn’t just a nice idea—it’s basically aquarium hygiene 101. Without it, your tank could start looking (and smelling) like a pond during a heatwave. Here’s how to use it properly:- Always place it after your mechanical filtration (like filter floss or sponges)
- Avoid letting debris clog it up—it works most-well when water flows freely
- Swap it out every 3 to 4 weeks to keep it fresh
When to Replace It
Activated carbon doesn't last forever—it fills up like a sponge and eventually can’t absorb anything else. Signs it’s maxed out:- Water discoloration
- Persistent odors
- Cloudiness that just won’t quit
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by price
Under $25
Weight
0.5 lbs
Dimensions
3.5 × 1.5 × 4.5 in
