Salifert KH/Alkalinity Aquarium Test Kit Measure carbonate hardness with precision using Salifert’s KH/Alkalinity test, known for its sharp color change and fine resolution (0.1 meq/L or 0.3 dKH)—trusted by reefers for decades. Easy to use and highly accurate. 💧🔬 Features & Benefits Highly precise measurement—detects small changes in alkalinity (0.1 meq/L steps) Sharp, clear color transition for easy interpretation Includes 100–200 tests per kit, depending on usage Widely trusted by hobbyists and professionals for stable reef monitoring Quick Testing Tips Rinse test tube with sample before testing. Add drops until color shifts distinctly—count drops for accuracy. Read results immediately against the color chart. Test regularly to maintain stable alkalinity in the ideal 2.8–3.2 meq/L (~8–9 dKH) range. What’s Included KH/Alkalinity test reagent bottle Test tube and color chart clearest reading Instructions More Information Item Name Salifert KH/Alkalinity Aquarium Test Kit Brand Salifert Manufacturer SKU 205101 UPC 8714079130354 Tests Per Kit 100–200 Measurement Resolution 0.1 meq/L (≈0.3 dKH)