Seachem 1 Year Ammonia Alert Monitor 1 Card 1.5-in X 2.5-in
Seachem 1 Year Ammonia Alert Monitor 1 Card 1.5-in X 2.5-in
(1)
Seachem 1 Year Ammonia Alert Monitor 1 Card 1.5-in X 2.5-in
Seachem 1 Year Ammonia Alert Monitor 1 Card 1.5-in X 2.5-in
(1)
Key Benefits
- Constantly tracks free ammonia levels.
- Color indicator gives instant readings.
- No chemicals or test kits required.
- Works in freshwater and saltwater tanks.
- Lasts over a year for reliable safety.
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Regular price
$8.75
Sale price
$8.75
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Description
Description
Keep your aquarium safe and stress-free with a reliable, continuous ammonia monitoring solution. Designed for both freshwater and marine tanks, Seachem Laboratories 1 Year Ammonia Alert Monitor 1 Card uses advanced sensor technology to detect toxic free ammonia in real time. Seachem Ammonia Alert provides a simple and effective way to continuously monitor ammonia levels, helping prevent toxic spikes that can harm aquatic life. As one of the best aquarium supplies available, it ensures peace of mind for hobbyists by offering long-term, hassle-free water quality control.
KEY BENEFITS
- Continuously monitors free ammonia with Seachem sensor technology
- The Seachem Ammonia Alert card has a color-changing indicator that provides clear, easy-to-read results
- Requires no test kits, chemicals, or water sampling
- Works in both freshwater and marine aquariums
- Long-lasting design offers reliable protection for over a year
INGREDIENTS ANALYSIS
INGREDIENTS ANALYSIS
The Seachem Ammonia Alert Monitor is a durable, non-toxic plastic card with a colorimetric sensor that detects free ammonia in water. Safe for long-term submersion, it provides accurate readings for up to one year.
Attributes & Specifications
Attributes & Specifications
Item Type
Continuous ammonia monitor
Indicator Colors
Yellow (Safe), Green (Alert), Blue (Toxic)
Compatibility
Freshwater and marine aquariums
Placement
Inside the aquarium glass, visible for easy reading
safety & precautions
safety & precautions
- Not recommended for use in aquariums with acidic pH.
- Do not scrub or scratch the sensor surface, as it may affect accuracy.
- Avoid exposure to direct sunlight or extreme temperatures when not in use.
DIRECTIONS FOR USE
DIRECTIONS FOR USE
- Remove the protective backing and place the monitor inside the aquarium on a clean glass surface.
- Ensure it remains fully submerged but visible for easy color comparison.
- Allow up to a few days for the sensor to equilibrate with water when first installed.
- Monitor the color changes: Yellow = Safe, Green = Alert, Blue = Toxic.

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Frequently Asked Questions
How long does the Seachem Laboratories 1 Year Ammonia Alert Monitor 1 Card (1.5-in x 2.5-in) last?+
The monitor lasts over a year, making it a cost-effective alternative to test kits. Its color-changing sensor provides continuous, real-time updates without needing replacement or recalibration.
Do I need to use chemicals or perform water tests?+
No. The device works without test kits, sampling, or chemical reagents. Simply place it in your tank, and it will automatically detect and display ammonia levels for easy monitoring.
How quickly does Seachem Ammonia Alert detect ammonia changes? +
It responds to rising ammonia in about 15 minutes and decreasing ammonia in roughly 4 hours.
Is it safe for reef tanks and sensitive species?+
Yes. The monitor is safe for both marine and freshwater aquariums, including reef systems.
Can I reuse the same Seachem Ammonia Alert card after a year?+
No. Replace the card after a year of use for accurate ammonia detection. Its sensor gradually loses sensitivity and may give false readings over time.