Seachem Ammonia Alert Sensor ReptileFoodPetType_Skink Add the rinsed rocks to

Add the rinsed rocks to your dog's water bowl

and other furniture

receiver collar uses 2 x 3 Volt lithium batteries (included)

So you can feel good feeding your dog recipes that are rich in nutrients and full of flavour

wait five minutes then wipe with cloth

Seachem Ammonia Alert Sensor ReptileFoodPetType_Skink Add the rinsed rocks toAmmonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. The device detects less than 0. 05 mg L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It lasts over a year. This product is not recommended for use at acid pH. Marine or