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💧 Nail your aquarium’s water balance like a pro—because your fish deserve the best!
The API GH & KH Test Kit is a 4.8 oz freshwater aquarium water testing solution designed to measure General Hardness (calcium and magnesium levels) and Carbonate Hardness (alkalinity). It includes two glass test tubes and clear instructions, enabling precise replication of natural fish habitats to reduce stress and stabilize pH. BPA-free and highly rated, this kit is essential for maintaining a healthy, balanced aquarium environment.



| ASIN | B003SNCHMA |
| Allergen Information | BPA-Free |
| Batteries Included | No |
| Best Sellers Rank | #8,405 in Pet Supplies ( See Top 100 in Pet Supplies ) #52 in Fish Medication & Health Supplies |
| Color | multicolor |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,599) |
| Date First Available | 7 August 2012 |
| Item Weight | 70.8 g |
| Item model number | 58 |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Pet Type | Fish |
| Product Dimensions | 6.99 x 4.13 x 13.02 cm; 70.87 g |
| Quantity | 1 |
| Size | 4.8 oz. |
| Specific Uses | Active |
| Volume | 1.25 |
| batteries required | No |
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