Seachem Alerts Combo Pack (6 Month) size-1-8kg Gravel modifiers such as laterite

Gravel modifiers such as laterite are not necessary

Made from coloured wood blocks

Superior Benefits Over Live Foods: Specially developed for the needs of most carnivorous fish

All the FuzzYard Life materials have been beautifully curated

Seachem Alerts Combo Pack (6 Month) size-1-8kg Gravel modifiers such as lateriteThe 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