API Calcium Test Kit Accurate Calcium Testing for Saltwater & Reef Aquariums
$16.99
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Standard U.S. shipping: $12.99; free standard shipping on eligible qualifying orders of $100 or more. Specialty shipments are charged separately.
Shipping & Delivery
Standard/Economy: $12.99; free standard shipping on eligible qualifying orders of $100 or more.
Most in-stock orders process in 1–3 business days. Estimated standard transit is 5–12 business days after dispatch. Backorders, preorders, and special orders follow their stated lead times. Dates are estimates, and separate shipments may have separate charges.
Review the Shipping & Live Arrival Policy and final charges at checkout. International rates and specialty charges are separate from domestic standard offers.
API SALTWATER CALCIUM TEST KIT
Maintain stable calcium levels and support healthy coral growth with the API Calcium Test Kit.
This easy to use liquid test kit allows you to quickly and accurately measure calcium levels in your saltwater or reef aquarium. Proper calcium levels are essential for coral development, skeletal growth, and overall reef stability.
Designed for simplicity and reliability, this kit is perfect for hobbyists looking to monitor calcium without complicated testing procedures.
What It Tests
- Calcium (Ca) levels in saltwater and reef aquariums
Why It Matters
Calcium is a critical component for coral and invertebrate growth.
Keeping levels stable helps prevent slow growth, tissue damage, and long term instability in your reef tank.
Perfect For
- Reef aquariums (soft coral, LPS, and beginner SPS)
- Monitoring coral growth conditions
- Routine water testing and maintenance
- Beginner and intermediate reef hobbyists
What’s Included
- Calcium test solution
- Glass test tube with cap
- Color comparison chart
- Step by step instructions
Pro Tip
For full reef monitoring, pair this test kit with alkalinity and phosphate testing to maintain balanced water chemistry and prevent parameter swings.