is this for marine use

The Ammonia alert works in all water types, but the pH part only works in Freshwater. Unfortunately!

Does this only last for a year?

They don’t work don’t waste your money

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28658 Alert Combo Pack

Product ID: 54531797

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Details

Brand
Seachem
Liquid volume
0.25 Litres
Item weight
0.01 Kilograms
Item form
Sensors
Manufacturer
Prime Pet - 2

⏳1 year continuous monitoring

🧪No strips or manual tests needed

🌡️Real-time pH & ammonia alerts

Description

🐠 Stay ahead of the curve with 365 days of aquarium clarity!

INSTANT COLOR ALERTS - Reversible sensor technology instantly signals dangerous pH or ammonia shifts.
PERFECT FOR BUSY PROS - Designed for the millennial manager who demands smart, time-saving solutions.
YEAR LONG PEACE OF MIND - Enjoy a full 12 months of reliable sensor alerts without replacements.
ZERO MAINTENANCE HASSLE - No batteries, no test strips—just place and monitor seamlessly.
EFFORTLESS AQUARIUM HEALTH - Say goodbye to guesswork with constant, automatic water quality monitoring.

The Seachem 28658 Alert Combo Pack offers a full year of continuous, hassle-free monitoring of aquarium pH and ammonia levels using innovative reversible sensor technology—no strips, no batteries, just instant visual alerts to keep your aquatic environment safe and thriving.

Specifications

Pet Type	Fish and Aquatic
Product Dimensions	15.24 x 7.62 x 10.16 cm; 9 g
Item model number	28658
Pet Life Stage	Adult
Item Form	Sensors
Allergen Information	Gluten Free
Colour	white
Size	6 x 3 x 4 inches
Volume	1 Millilitres
Number of Items	1
Quantity	1
Specific Uses	Active
Batteries required	No
Batteries Included	No
Item Weight	9 g

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$44.08

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TrustScore 4.5 | 7,300+ reviews