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Seachem Laboratories ASM010 Ammonia Alert
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About this item
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Ammonia Alert detects and continuously monitors free ammonia in marine or freshwater aquaria- Simply place it in the aquarium (using the provided suction cup) and read anytime- It will correctly read free ammonia levels when ammonia removers are in use- The unit consists of a waterproof reference color card and a sensor- The sensor, located in the center of the reference scale, changes reversibly from yellow to green to blue relative to the ammonia concentration- Properly maintained, the sensor has a useful life of over a year- INTERPRETATION:- As little as 0-02 mg/L of free ammonia will produce a greenish hue on the detector surface- This corresponds to a total ammonia (both ionized and free ammonia) of 0-20 mg/L in marine water at pH 8-3- In freshwater at pH 7-0, this corresponds to 3-6 mg/L total ammonia- Free ammonia is much more toxic than ionized ammonia- The ALERT color corresponds to about 0-05 mg/L free ammonia, ALARM to about 0-20 mg/L, and TOXIC to about 0-50 mg/L- The ALERT concentration is tolerated for several days, ALARM for a few days, and TOXIC is rapidly harmful- This product is not recommended for use below pH 6- CARE:- Remove any algae growth from the sensor with a clean, soft material- Do not use bleach, soap, detergents or hard objects to clean the sensor- Avoid touching the sensor with fingers, since skin oils can damage it- Some dye medications may discolor the sensor- Remove protective film- Then place the unit visibly anywhere in the aquarium or filter- In the absence of free ammonia the unit will assume a yellow or faint yellow-green color- It is normal for the dry sensor to have a greenish hue- It may take up to a few days for a dry sensor to equilibrate with the water- No sampling of water, chemicals, or test procedures are required- The presence of free ammonia is detectable continuously with a response time of about 15 minutes- Response to decreasing ammonia is slower, requiring about 4 hours to go from TOXIC to SAFE on removal of ammonia- Sensitivity improves with age, provided the unit is not allowed to dry out, however, drying does not permanently impair the unit- For maximum sensitivity, the unit should be read under natural daylight or simulated daylight- Red enhancing light minimizes green and blue hues, decreasing the apparent sensitivity of the unit- The response of the unit may be checked by holding it briefly over the mouth of an ammonia bottle: color should develop rapidly- SKU: RPS25296
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