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Steve Spangler's Growing Bacteria Science Experiment Kit

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Coliform Bacteria Test Kit For Drinking Water - Easy To Use 48-Hour Water Quality Testing Kit For Home Tap & Well Water | EPA Approved Testing

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Safe Home® 14-In-1 Drinking Water Test Kit - DIY Testing For Lead, Bacteria, Hardness, Copper And More - City Tap Or Well Water - 27 Mechanisms/Kit

Onnetila Bacteria Science Kit Petri Dishes With Agar Educational STEM Science Fair Project Kit For Kids Age 9 And Above

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