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

Perfect for those looking to add a touch of fun to their underwater world

If you notice any brown or grey biofilm on the live rocks or the appearance of algae/cyanobacteria it is a likely sign that you are overdosing or that your nutrient levels aren’t at ideal levels

Press the ON/OFF button

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