Seachem Alert Combo Fish Magnesium is a macro element

Magnesium is a macro element that gets depleted from the water in our tanks fairly quickly

When using with river type species such as Orfe

Most carnivorous fish especially non-surface feeders such as catfish

Press the ON/OFF button

Perfect for strongly rooting species like Echinodorus

Seachem Alert Combo Fish Magnesium is a macro elementNo Strips, No Tests, Continuous pH & Ammonia Readings Ammonia Alert DIRECTIONS: Remove protective film. When piace the unit visibly anywhere in the aquarium or filter. It may take up to a few days for a dry sensor to equilibrate with the water. The presence of free ammonia registers within 15 minutes. Response to decreasing ammonia is slower, requiring about 4 hours to go from TOXIC to SAFE on removal of ammonia. Avoid touching the sensor with