Zilla Gut Load Cricket Drink with CalciumOrdinary water can be hazardous in a terrarium of crickets, tarantulas or scorpions, thanks to waterborne bacteria and the danger of drowning. Calcium enriched drink provides 25% higher calcium content in crickets. Protect and refresh feeder insects and valuable pets with sanitary Cricket Drink as a hydration source. Simply place pre-blended Cricket Drink in a shallow dish...it's formulated with surfactants that allow insects to drink safely. Ideal for any size insect, from the smallest pinhead cricket to the adult tarantula.