Water Testing

Showing 1–16 of 70 results

• Sale! Chemistry

  (HI98304) DiST4 Waterproof Electrolytic Conductivity (EC) Tester – Hanna Instruments

  $79.99 Original price was: $79.99.$32.00Current price is: $32.00. Add to cart
• Sale! Chemistry

  10.00 pH Calibration Fluid (Single Pack) – Neptune Systems

  $4.99 Original price was: $4.99.$3.99Current price is: $3.99. Add to cart
• Sale! Chemistry

  7.00 pH Calibration Fluid (Single Pack) – Neptune Systems

  $4.99 Original price was: $4.99.$3.99Current price is: $3.99. Add to cart
• Sale! Chemistry

  AF Test Pro Pack Basics Calcium, Alkalinity, Magnesium (Ca, KH, Mg) – AquaForest

  $49.99 Original price was: $49.99.$20.00Current price is: $20.00. Add to cart
• Sale! Alkalinity (Alk/KH)

  Alkalinity KH Test Kit (100 Tests) – ASF

  $18.89 Original price was: $18.89.$7.56Current price is: $7.56. Add to cart
• Sale! Ammonia (NH4)

  Ammonia Test Kit (40 Tests) – ASF

  $16.39 Original price was: $16.39.$6.56Current price is: $6.56. Add to cart
• Sale! Calcium (CA)

  Calcium Marine Test Kit – Red Sea

  $29.99 Original price was: $29.99.$12.00Current price is: $12.00. Add to cart
• Sale! Calcium (CA)

  Calcium Pro Test Refill – Red Sea

  $28.99 Original price was: $28.99.$11.60Current price is: $11.60. Add to cart
• Sale! Calcium (CA)

  Calcium Test Kit (40 Tests) – ASF

  $21.69 Original price was: $21.69.$8.68Current price is: $8.68. Add to cart
• Sale! Chemistry

  Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS) – Neptune Systems

  $9.99 Original price was: $9.99.$4.00Current price is: $4.00. Add to cart
• Sale! Chemistry

  Copper Test Kit (90 Tests) – API

  $12.48 Original price was: $12.48.$4.99Current price is: $4.99. Add to cart
• Sale! Chemistry

  Electrode Cleaning Solution (500 ml) HI7061L – Hanna Instruments

  $21.99 Original price was: $21.99.$8.80Current price is: $8.80. Add to cart
• Sale! Chemistry

  Electrode Storage Solution for pH/ORP (230 ml) HI70300M – Hanna Instruments

  $18.99 Original price was: $18.99.$7.60Current price is: $7.60. Add to cart
• Sale! Chemistry

  Electrode Storage Solution for pH/ORP (500 mL) HI70300L – Hanna Instruments

  $18.99 Original price was: $18.99.$7.60Current price is: $7.60. Add to cart
• Sale! Chemistry

  Essentials Mixed Reef #2 (2700 ml) – ATI

  $29.95 Original price was: $29.95.$11.98Current price is: $11.98. Add to cart
• Sale! Chemistry

  Free ICP Test Kit – ATI

  $19.99 Original price was: $19.99.$8.00Current price is: $8.00. Add to cart