eBay
Take 5-10ml of the sample, and take the supernatant for testing after standing. Nitrate nitrate test range 0~240. Nitrate Nitrite. Too high or too low PH is not good for fish growth. If the pH value is less than 4.4, the fish mortality rate can reach 7% to 20%.
eBay
---NEW ON THE MARKET--- For those seeking personalized health insights on demand, meet BioStrip Single, available individually for your convenience! Whether you’re a first-time user curious about its incredible capabilities or a savvy wellness enthusiast fine-tuning your health, the individual BioStrip option offers flexibility and accessibility. Tailor your health journey, one strip at a time, and embrace the freedom to prioritize your well-being whenever you desire. In 60 seconds have your health checked: Vitamin C, Zinc, Protein, Oxidative Stress, White Cells, Calcium, Water and more. When you receive the strip please pm to receive the link to register and use your strip immediately
eBay
eBay
eBay
【Enhanced Accuracy with Second-Generation Design】: The second-generation soil pH test kit features a 3-pad design that enhances accuracy. This soil tester for garden nutrients gives you a clearer picture of your soil's health.
eBay
Litmus papers are used to determine the pH level of a liquid and determine if a solution is basic. Widely used for industrial chemical testing, science education, laboratory use, drinking water, aquariums, and classroom analytical chemistry.SpecificationTesting Paper Size: 54mmx9mm (L*W)Overall Size: 70mmx45mmx5mm (L*W*H)Packing List: 4 x Litmus Test Kit (80/Pack,320pcs)AdvantageCan be used to determine the strength of acid and base conveniently. Sensitive to the environment and temperature changes.InstructionDipping the test paper into a solution and observing the change in color of the paper. After one second read the pH value. If the test paper turns blue, the solution is alkaline.NOTENot applicable for oil and acid-base solutions with a concentration of less than 0.01%. Should be stored in a dry place protected from light.
eBay
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Water test in swimming pool or spa pool. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm.
eBay