YSI® Replacement Reagents

Reagents for YSI® photometers include chemicals for 250 tests.

Note: Products below with * are not recommended for saltwater testing.

 

YSI® is a registered trademark of YSI, Inc. 

 

YSI® Replacement Reagents

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Part No.Product NameShippingIn StockPriceQuantity
YAP011 Chlorine DPD-Free Replacement Reagent, 0–5.0 mg/L Out of Stock
Still available for ordering
$30.00  
YAP021 Chlorine DPD-Free Mono & Dichl. Replacement Reagent, 0–5.0 mg/L Out of Stock
Still available for ordering
$34.00  
YAP031 Chlorine DPD-Free Com. & Total Replacement Reagent, 0–5.0 mg/L Out of Stock
Still available for ordering
$51.00  
YAP056 Ozone Replacement Reagent, 0–2.0 mg/L Out of Stock
Still available for ordering
$47.00  
YAP060 Bromine Replacement Reagent, 0–6.0 mg/L Out of Stock
Still available for ordering
$26.00  
YAP087 Cyanuric Acid Replacement Reagent, 0–200 mg/L Out of Stock
Still available for ordering
$58.00  
YAP104 Hydrogen Peroxide LR Replacement Reagent, 0–2.0 mg/L Out of Stock
Still available for ordering
$48.00  
YAP105 Hydrogen Peroxide HR Replacement Reagent, 0–100 mg/L Out of Stock
Still available for ordering
$89.00  
YAP109 Nitrite-N Replacement Reagent, 0–0.5 mg/L In Stock $54.00  
YAP114 Phosphate HR Replacement Reagent, 0–100 mg/L Out of Stock
Still available for ordering
$88.00  
YAP130 PH (Phenol Red) Replacement Reagent, 6.8–8.4 mg/L Out of Stock
Still available for ordering
$28.00  
YAP148 *Zinc Replacement Reagent, 0–4.0 mg/L Out of Stock
Still available for ordering
$135.00  
YAP152 Ammonia Replacement Reagent, 0–1.0 mg/L In Stock $78.00  
YAP154 Sulfate Replacement Reagent, 0–200 mg/L Out of Stock
Still available for ordering
$38.00  
YAP155 Iron LR Replacement Reagent, 0–0.003 mg/L Out of Stock
Still available for ordering
$109.00  
YAP156 Iron HR Replacement Reagent, 0–10 mg/L Out of Stock
Still available for ordering
$52.00  
YAP162 *Chlorine HR Replacement Reagent, 0–250 mg/L Out of Stock
Still available for ordering
$100.00  
YAP163 Nitrate Replacement Reagent, 0–20 mg/L In Stock $138.00  
YAP166 *Aluminum Replacement Reagent, 0–0.5 mg/L Out of Stock
Still available for ordering
$93.00  
YAP173 Manganese Replacement Reagent, 0–20 mg/L Out of Stock
Still available for ordering
$92.00  
YAP175 Molybdate HR Replacement Reagent, 0–100 mg/L Out of Stock
Still available for ordering
$99.00  
YAP177 Phosphate LR Replacement Reagent, 0–4.0 mg/L Out of Stock
Still available for ordering
$97.00  
YAP179 Fluoride Replacement Reagent, 0–1.5 mg/L Out of Stock
Still available for ordering
$102.00  
YAP181 *Silica Replacement Reagent, 0–4 mg/L Out of Stock
Still available for ordering
$117.00  
YAP186 Copper Replacement Reagent, 0–5.0 mg/L Out of Stock
Still available for ordering
$142.00  
YAP188 Alkalinity – Total Replacement Reagent, 0–500 mg/L In Stock $72.00  
YAP189 Potassium Replacement Reagent, 0–12 mg/L Out of Stock
Still available for ordering
$89.00  
YAP193 *Magnesium Replacement Reagent, 0–100 mg/L Out of Stock
Still available for ordering
$69.00  
YAP250 Alkalinity – Methyl-Orange Replacement Reagent, 0–500 mg/L Out of Stock
Still available for ordering
$78.00  
YAP251 Alkalinity – Phenolphthalein Replacement Reagent, 0–500 mg/L Out of Stock
Still available for ordering
$78.00  
YAP252 Calcium Hardness Replacement Reagent, 0–500 mg/L Out of Stock
Still available for ordering
$81.00  
YAP254 Hardness Replacement Reagent, 0–500 mg/L Out of Stock
Still available for ordering
$93.00  
YAP260 Nitrite-NaNO2 Replacement Reagent, 0–1,500 mg/L Out of Stock
Still available for ordering
$82.00  
YAP262 Organophosphate Replacement Reagent, 0–20 mg/L Out of Stock
Still available for ordering
$203.00  
YAP266 Sulfite Replacement Reagent, 0–500 mg/L Out of Stock
Still available for ordering
$81.00  
YAP268 Chloride Replacement Reagent, 0–50 mg/L Out of Stock
Still available for ordering
$99.00  
YAP281 Chromium Hexavalent Replacement Reagent, 0–5.0 mg/L Out of Stock
Still available for ordering
$128.00