API Algae Scraper for Glass Aquariums
An extra-long, extra-strong pad scraper for glass tanks.
- Extra-long handle
- Strong scrubbing pad
- Glass aquariums only
- Rinse before and after each use
- Freshwater or saltwater
Check the latest price and availability on Amazon.
View on Amazon →As an Amazon Associate, AquaticRig earns from qualifying purchases.
Pros
- Keeps hands dry
- Firm pad for steady scrubbing
- Nothing to replace
Cons
- Not for acrylic or plexiglass
- Slow on hard spot algae
At a glance
An extra-long, extra-strong pad scraper for glass tanks.
A simple, sturdy pad scraper for routine cleaning of glass tanks.
- Extra-long handle
- Strong scrubbing pad
- Glass aquariums only
- Rinse before and after each use
- Freshwater or saltwater
Product Specifications
- Brand
- API
- Model
- 21
- Size
- 1 Count (Pack of 1)
- Dimensions
- 2.5 x 3.25 x 18 inches
- Weight
- 0.25 pounds
- In the box
- 1
The API Algae Scraper is a long-handled scrubbing pad for glass aquariums. API describes it as extra long and extra strong. The handle keeps your hand out of the water while it supports a durable pad that wipes algae off the glass quickly.
Glass only
This scraper is for glass aquariums only. API warns against using it on acrylic, plexiglass or any surface other than glass, and against using it on dry surfaces. The pad is firm enough to scratch softer materials, so acrylic owners should pick a different tool, such as the Aqueon magnetic scraper.
Rinse before and after

API asks you to rinse the pad with tap water before and after each use. That clears out grit that could scratch even glass and removes algae so it does not dry into the pad. Never use soap or cleaning sprays on it.
How to use it

- Wet the pad and work in short overlapping strokes.
- Press harder on stubborn patches, but keep the pad flat.
- Avoid running it through the gravel where grit gets picked up.
- Siphon out the loosened algae afterward.
Where it fits

A pad scraper handles soft green film and brown diatoms well and is quicker than a sponge on firmer growth. For hard spot algae that a pad cannot shift, keep a steel blade like the Pronetcus algae scraper on hand.
Who it suits
Owners of standard glass freshwater or saltwater tanks who want a no-fuss tool from a familiar brand. It has no magnets to separate and no blades to replace, so it is easy to keep on the shelf beside the tank.
The handle length measures 18 inches in the listing dimensions, enough for most standard tanks.
A steady routine matters more than the tool. A quick pass once or twice a week keeps film light and easy to remove, so the pad never has to work hard.
The Bottom Line
A simple, sturdy pad scraper for routine cleaning of glass tanks.
View on Amazon →As an Amazon Associate, AquaticRig earns from qualifying purchases.
Frequently Asked Questions
Can I use it on acrylic?
No, it is for glass aquariums only.
How do I care for it?
Rinse the pad with tap water before and after each use.
Can I use it on dry glass?
No, API says not to use it on dry surfaces.



