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Amazon [amazon.com] has the API Stress Coat Water Conditioner, Makes tap Water Safe, Replaces fish’s Protective Coat Damaged by handling or Fish Fighting, Use When Adding or Changing Water, Adding Fish and When Fish are Injured for $ 2.32 + free shipping with Prime
| Lowest | $ | 2.32 |
| Current | $ | 2.32 |
| Highest | $ | 5.99 |
| Ave 90d | $ | 4.30 |
| Ave 180d | $ | 4.28 |