Hey all I was just reading up on Seahorses, and I remember seeing a member here with one of these in a tank, and figured I would share.
It is a Ammonia Alert Senor that goes in your aquarium, and is suppose to last about a year. This is the cheapest I have found them, http://www.seahorsesource.com/cgi-bin/shop/detail.cgi?id=401120
It is a Ammonia Alert Senor that goes in your aquarium, and is suppose to last about a year. This is the cheapest I have found them, http://www.seahorsesource.com/cgi-bin/shop/detail.cgi?id=401120