Use Zoo Med’s Hermit Crab Saline Water Conditioner (Part 2) in a second water dish to add essential sea salts to your Hermit Crabs.
Directions for use with Drinking Water:
Add 2 drops to every 1 cup (8 fl. oz.) of water. Measure the amount of water in your crab’s water dish and adjust dosage (drops) accordingly. Use with every water change.