Seachem pH Alert (constant pH test)

Seachem pH Alert is a unique measuring device, placed in an aquarium filter, or continuously monitoring the pH of the water. Changing color, warns about changes in the pH range from pH 5.8 to 8.2. Test kits can replace conventional, does not require the use of indicator paper. It is only suitable for freshwater. The pH scale alert is clear, it is on average 4 times more durable than other measures of this type, as well as almost half of them smaller, so you do not take up space in the aquarium and not conspicuous.