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NO MORE BROKEN GLASS: Testing your water is stressful enough without knocking over fragile glass vials. This caddy provides a wide, stable base that securely holds your test tubes upright while you add drops, preventing expensive spills. BUILT FOR THE WET ZONE: Precision manufactured on the Isle of Wight from high-strength, water-resistant PETG. Unlike cheaper PLA 3D prints that warp or degrade, this organizer is built for heavy-duty use right at the edge of your pond. BONUS MEASUREMENT TOOLS: Every stand includes a precision measurement syringe for drawing exact 5ml water samples, plus a set of adapter spacers to ensure smaller reagent bottles fit perfectly snug without wobbling. STANDARD EDITION: Perfectly organizes the core bottles and tubes of your master test kit (like API or NT Labs). Keeps your ammonia, nitrite, nitrate, and pH dropper bottles perfectly arranged so you can test in half the time. HARDWARE ONLY: Please note that this listing is for the waterproof organizer station, syringe, and spacers only. Chemical test kits, reagent bottles, and glass tubes are not included.