Love it! I have a test tube rack and put everything in a plastic shoe box. But the bottles fall over and it's still a mess, albeit contained in one plastic box.
I may give this a shot, although I have more than just one Master Test Kit. I also use pipettes (not syringes) that make it so much simpler to transfer water from the tank to the test tube. I don't know why people use syringes - just buy those disposable plastic pipettes. They come in 1 mL, 3 mL and larger sizes with graduated 1mL markings. You can cut the tip if you need to suck up blackworms too. Good for water testing as well as spot dosing Excel without the hassle of a syringe with a barrel.
I'll have to rethink parts of the rack. Thank you for posting.
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