Pawfly Aquarium Magnetic Brush for Glass Fish Tanks 3.8 cm Stain Scrubber Pads Cleaning Tool for 1.5 cm Thick Fresh & Marine Aquariums up to 40 L (Not for Acrylic & Plastic Tanks)

I bought this for our 35 litre aquarium with 2 pet goldfish. It is the perfect size, with a strong magnet, and it is easy to use. It scrapes the algae away very efficiently and it is easy to handle and move around the tank without having to get my hands wet or disturb our goldfish.

Quite a chunky bit of kit for a small tank - I misjudged what 5cm is... But does the job real well. Good magnetic stick, no scratches on the glass (make sure you're not trapping sand in there) and when it comes off it floats.

I was going to spend FIVE times the amount on a Flipper Pico cleaner. I thought I’d give this a shot first, just in case. I am so glad I did! It’s a fantastic cleaner for my little 3 gallon tank and it tucks away nicely when I’m done. Great little purchase!

It works great on loose debris and algae on the glass. But the magnet strength is not the best I've had so not great with stubborn algae which you'll have to scrap or apply pressure on the water side of this magnet to shift it.

Works really well on getting rid of algae, doesn't work on water marks but thats to be expected. Helpful that it floats as sometimes it gets caught and detaches. Goes round the corners of the tank without having to detach.

I had to send this product back as I didn't realise that it was not fit for purpose for acrylic/plastic fish tanks, which I have

Easy to use, easy to clean, not a tool for big maintenance but for glass clean in between "spa" days its perfect. It is really small if that's what you looking for.

Small and compact but does the job