can this be used to check for ammonia in anti freeze?

This is designed to check for ammonia in air, so may not be accurate for other uses. There are other products available to check for ammonia in liquids. Although they usually only go to 8 - 10 ppm, there are water test strips in aquarium supplies that will check for ammonia.

do the test papers need to be dipped in a solution before testing the air ?

Not a solution. Just some distilled water.

Is this 15' or 50" ? Product description says 15' in one place and 50' in another. It also says 10/carton

The product is in a paper roll, 15 feet worth. You tear strips off the roll. to test.

Can you use this to test aquarium water?

No idea. I was using it to test air.

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Micro Essential Lab AM-40 Hydrion Ammonia Meter Test Paper Roll, 0 to 100ppm Range, 15' Length

Micro Essential Lab AM-40 Hydrion Ammonia Meter Test Paper Roll, 0 to 100ppm Range, 15' Length

Product ID: 207970657

Details

Brand
Micro Lab
Manufacturer
Micro Lab
Recommended uses for product
Water Test
Test type
["Ammonia"]
pH range
7.0-14.0

🌈Calibrated color chart included

📏15 ft continuous roll

🧪0-100 ppm ammonia detection range

A$52

Duties & taxes included

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Description

🧪 Stay ahead of corrosion—test smarter, protect better!

COMPACT CONVENIENT - Pocket-sized dispenser with tear-off strips for on-the-go, hassle-free testing.
DUAL PROTECTION INSIGHT - Monitors alkaline pH to safeguard your coolant’s freeze resistance and radiator health.
INSTANT VISUAL FEEDBACK - Integrated color chart lets you decode ammonia levels in seconds—no guesswork needed.
ENDLESS PRECISION TESTING - A generous 15-foot roll ensures you never run out of accurate ammonia readings.
TRUSTED INDUSTRY STANDARD - Micro Essential Lab’s AM-40 is a top-ranked choice for professionals demanding reliable water quality checks.

The Micro Essential Lab AM-40 Hydrion Ammonia Meter Test Paper Roll offers a 15-foot continuous strip for precise ammonia detection from 0 to 100 ppm. Packaged in a compact dispenser with a calibrated color chart, it enables quick, reliable testing of coolant alkaline levels to prevent freezing and radiator damage, making it an essential tool for maintaining optimal coolant performance.

Specifications

ASIN	B0045I6JOO
Best Sellers Rank	44,685 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 88 in pH Test Strips
Brand	Micro Essential Lab
Item Weight	0.12 Kilograms
Manufacturer	Micro Essential Lab
Manufacturer Part Number	AM-40
Material Type	PE_(Polyethylene)
Model Number	MIC-AM-40
Number of Items	1
Recommended Uses For Product	Water Test
Sterility Rating	7.0-14.0
Test Type	["Ammonia"]

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