Water Testing

Showing 17–32 of 70 results

• Sale! Chemistry

  Hardness (GH) Test Kit (40 Tests) – ASF

  $19.69 Original price was: $19.69.$7.88Current price is: $7.88. Add to cart
• Sale! Chemistry

  HI1271 Replacement Spare pH Electrode for HI98100 – Hanna Instruments

  $29.99 Original price was: $29.99.$12.00Current price is: $12.00. Add to cart
• Sale! Chemistry

  HI7007L 7.01 pH Calibration Buffer Solution, (500 ml) Bottle – Hanna Instruments

  $19.99 Original price was: $19.99.$8.00Current price is: $8.00. Add to cart
• Sale! Chemistry

  High Range pH Test Kit (160 Tests) – API

  $9.48 Original price was: $9.48.$3.79Current price is: $3.79. Add to cart
• Sale! Chemistry

  Iodine (I2) Test Kit – Salifert

  $29.30 Original price was: $29.30.$11.72Current price is: $11.72. Add to cart
• Sale! Chemistry

  Iodine Pro (I2) Reef Test Kit – Red Sea

  $59.99 Original price was: $59.99.$24.00Current price is: $24.00. Add to cart
• Sale! Alkalinity (Alk/KH)

  KH Carbonate Hardness Test Kit – API

  $8.98 Original price was: $8.98.$3.59Current price is: $3.59. Add to cart
• Sale! Alkalinity (Alk/KH)

  KH/Alkalinity Pro Test Refill – Red Sea

  $28.99 Original price was: $28.99.$11.60Current price is: $11.60. Add to cart
• Sale! Alkalinity (Alk/KH)

  KH/Alkalinity Pro-High Accuracy Titration Test kit (75 tests) – Red Sea

  $44.99 Original price was: $44.99.$18.00Current price is: $18.00. Add to cart
• Sale! Chemistry

  MA9015 Storage Solution for pH/ORP Electrodes (230 ml) – Milwaukee

  $16.70 Original price was: $16.70.$6.68Current price is: $6.68. Add to cart
• Sale! Chemistry

  Magnesium Marine Test Kit – Red Sea

  $30.99 Original price was: $30.99.$12.40Current price is: $12.40. Add to cart
• Sale! Chemistry

  Magnesium Pro – High Accuracy Titration Test Kit (100 tests) – Red Sea

  $44.99 Original price was: $44.99.$18.00Current price is: $18.00. Add to cart
• Sale! Chemistry

  Magnesium Pro Test Refill – Red Sea

  $28.99 Original price was: $28.99.$11.60Current price is: $11.60. Add to cart
• Sale! Chemistry

  Marine Buffer (1 KG) – Seachem

  $23.16 Original price was: $23.16.$9.26Current price is: $9.26. Add to cart
• Sale! Chemistry

  MC811US MAX pH/EC/Temp Monitor – Milwaukee

  $308.20 Original price was: $308.20.$61.64Current price is: $61.64. Add to cart
• Sale! Chemistry

  MW102 PH & Temperature Meter w/Auto Calculation – Milwaukee

  $195.20 Original price was: $195.20.$58.56Current price is: $58.56. Add to cart