Seachem Alerts Combo Pack (6 Month) size-1-8kg Made from soft polyester fleece

Made from soft polyester fleece and sherpa

We know they love to chew

This cuts down on maintenance and makes the filter suitable for a wide range of environments

Gravel modifiers such as laterite are not necessary

Seachem Alerts Combo Pack (6 Month) size-1-8kg Made from soft polyester fleeceThe Alert Combo pack (6 Months) combines Ammonia Alert (1 card) and pH Alert (1 card). Ammonia Alert and pH Alert are almost half the size of competing products. At 1. 5" x 2. 5", they are small, clear, and unobtrusive, so they won't detract from the view of your aquarium. Simply place Ammonia Alert and pH Alert visibly anywhere in the aquarium or filter. Its that easy. No chemicals or test procedures are required. Ammonia Alert Ammonia Alert sensor