Hello Everyone! We apologize for not releasing any video lately! Here is a step-by-step instruction on using the Tetra DO test kits for Dissolve oxygen measurement!
PS: We conduct courses on mud crab farming, do drop us a PM should you have any questions! 🦀👇👇FOR MORE INFO, SUBSCRIBE OUR CHANNEL NOW!!👇👇🦀
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What color tell us about.
Where can i buy the test kit?