YSI TruLine Ammonium Standard

TruLine Ammonium Low Standard Solution, 100 mg/L, 500 mL and high Standard Solution, 1000 mg/L, 500 mL.

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Warning: Damage caused by freezing isn't covered by warranty; we recommend 2-day shipping to reduce risk.
Effective May 13th, 2025, YSI has added a 3.5% surcharge for all of their products. The surcharge will appear as a separate line item on the order.

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  • Usually ships in 1-2 weeks