| Photometry Replacement Reagents | Part Number | (250 tests per pack, except as noted) | |
| YAP188 | Alkalinity, Total | ||
| YAP166 | Aluminum | ||
| YAP152 | Ammonia | ||
| YAP060 | Bromine | ||
| YAP252 | Calcium Hardness | ||
| YAP065 | Chlorine Dioxide HR (Lissamine Green B) | ||
| YAP064 | Chlorine Dioxide LR (Lissamine Green B) | ||
| YAP011 | Chlorine DPD-Free | Includes DPD 1 | |
| YAP021 | Chlorine DPD-Free, Monochloramine & Dichloramine | Included DPD 2. Also order YPM 011 | |
| YAP186 | Copper | ||
| YAP187 | Copper (free) | ||
| YAP087 | Cyanuric Acid | ||
| YAP179 | Fluoride, 200 tests per pack | ||
| YAP254 | Hardness | ||
| YAP103 | Hydrazine | ||
| YAP105 | Hydrogen Peroxide HR | ||
| YAP104 | Hydrogen Peroxide LR | ||
| YAP156 | Iron HR | ||
| YAP292 | Iron MR | ||
| YAP193 | Magnesium | ||
| YAP173 | Manganese | ||
| YAP175 | Molybdate HR | ||
| YAP258 | Molybdate LR | ||
| YAP284 | Nickel | ||
| YAP163 | Nitrate, 200 test per pack (Nitratest) | ||
| YAP109 | Nitrite-N (Nitracol) | ||
| YAP260 | Nitrite-NaNO2 (Nitraphot) | ||
| YAP262 | Organophosphonate | ||
| YAP056 | Ozone | ||
| YAP130 | pH (Phenol Red) | ||
| YAP287 | Phenols | ||
| YAP272 | PHMB | ||
| YAP177 | Phosphate LR, 200 tests per pack | ||
| YAP189 | Potassium | ||
| YAP154 | Sulfate | ||
| YAP148 | Zinc |