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Water Testing

Water Testing

Testing your aquarium water is an important part of keeping aquarium inhabitants healthy. Whether you are looking for titration type test kits from Elos, Salifert, Red Sea or others, Aquarium Specialty only offers top quality, accurate brands. We also offer reliable & easy to use electronic testers from SenSafe  Hanna Instruments & HM Digital & ICP-OES full panel water testing from Triton Labs.

First Time Customers Use Coupon Code: WELCOMEExtra 10% With Account Checkout to Save 10%
15% Off Hanna Instruments & 20% Off ATI Straton LED Lights.

Items 145-180 of 241

Set Descending Direction
  1. HM Digital COM-100

    HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter

    Special Price $62.01 Regular Price $72.95
    This product will be back ordered
    Add to Wish List
  2. HM Digital DM-2 In-Line Dual TDS Monitor with 1/4" fittings

    HM Digital DM-2 In-Line Dual TDS Monitor with 1/4" fittings

    Special Price $38.68 Regular Price $45.50
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  3. Hanna HI 98311

    Hanna Instruments HI 98311 EC/TDS/°C/°F tester

    $111.00
    This product will be back ordered
    Add to Wish List
  4. Hanna Instruments DiST® 6 EC/TDS/Temperature Tester

    Hanna Instruments DiST® 6 EC/TDS/Temperature Tester

    $111.00
    This product will be back ordered
    Add to Wish List
  5. Red Sea Algae Control Test Kit NO3 PO4

    Red Sea Algae Control Multi NO3/PO4 Test Kit

    $69.99
    This product will be back ordered
    Add to Wish List
  6. Red Sea Iodine Pro Test Kit

    Red Sea Iodine Pro Test Kit

    $50.99
    This product will be back ordered
    Add to Wish List
  7. Red Sea Marine Care Test Kit

    Red Sea Marine Care Test Kit

    $69.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  8. Hanna Instruments HI780 Marine pH Checker® HC

    Hanna Instruments HI780 Marine pH Checker® HC

    $64.95
    This product will be back ordered
    Add to Wish List
  9. Hanna HI705 Checker Silica Low Range

    Hanna Instruments HI705 Checker Silica Low Range

    $75.00
    Out of stock
    Add to Wish List
  10. Milwaukee pH600AQ Digital pH Pen

    Milwaukee pH600AQ Digital pH Pen

    $27.00
    This product will be back ordered
    Add to Wish List
  11. HM Digital PH-80

    HM Digital PH-80 pH/Temp Water Resistant HydroTester

    Special Price $42.46 Regular Price $49.95
    This product will be back ordered
    Add to Wish List
  12. Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Probe

    Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Probe

    $54.99
    Usually Ships In 2 - 3 Business Days After Submission of Order
    Add to Wish List
  13. HM Digital PH-200

    HM Digital PH-200 Waterproof pH Meter

    Special Price $63.74 Regular Price $74.99
    This product will be back ordered
    Add to Wish List
  14. Milwaukee pH56 Waterproof Dual Level pH Tester

    Milwaukee PH56 PRO Waterproof 2-in-1 pH/Temp Tester with Replaceable Probe

    $90.20
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  15. Hanna Instruments HI 98128 pH Pocket Tester

    Hanna Instruments HI 98128 pH Pocket Tester

    $111.00
    This product will be back ordered
    Add to Wish List
  16. HM DIGITAL COM-300 pH/EC/TDS/Temp Meter

    HM DIGITAL COM-300 pH/EC/TDS/Temp Meter

    Special Price $101.97 Regular Price $119.96
    This product will be back ordered
    Add to Wish List
  17. Milwaukee pH58 Waterproof Dual Level pH/ORP Tester

    Milwaukee pH58 MAX Waterproof 3-in-1 pH/ORP/Temp Tester with Replaceable Probe

    $137.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  18. Hanna Instruments HI98121

    Hanna Instruments HI98121 pH/ORP Pocket Combo

    $196.00
    Add to Wish List
  19. Salifert PH Test Kit

    Salifert PH Test Kit

    Special Price $8.04 Regular Price $9.46
    This product will be back ordered
    Add to Wish List
  20. Two Little Fishies AccuraSea Seawater Reference Solution 250 ml

    Two Little Fishies AccuraSea Seawater Reference Solution 250 ml

    Special Price $10.19 Regular Price $11.99
    This product will be back ordered
    Add to Wish List
  21. Red Sea Potassium Test Kit

    Red Sea Potassium Pro Test Kit

    $45.95
    This product will be back ordered
    Add to Wish List
  22. Hanna Marine Nitrate High Range Checker® Reagents (25 Tests)

    Hanna Marine Nitrate High Range Checker® Reagents (25 Tests)

    $18.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  23. Milwaukee ORP57 Waterproof Dual Level ORP Tester

    Milwaukee ORP57 PRO Waterproof ORP/Temperature Tester with Replaceable Probe

    $114.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  24. Milwaukee MC120 PRO pH Monitor

    Milwaukee MC120 PRO pH Monitor

    $109.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  25. Hanna HI705 Checker Silica High Range

    Hanna Instruments HI770 Checker Silica High Range

    $68.00
    This product will be back ordered
    Add to Wish List
  26. Red Sea Reef Colors Test Kit I2/K/Fe

    Red Sea Coral Colors Test Kit I2/K/Fe

    $84.99
    This product will be back ordered
    Add to Wish List
  27. Hanna HI721 Checker Iron Free Range

    Hanna Instruments HI721 Checker Iron Free Range

    $64.95
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  28. Hanna HI701 Checker Free Chlorine Range

    Hanna Instruments HI701 Free Chlorine Checker Range 0.00-2.50 ppm(mg/L)

    $64.95
    This product will be back ordered
    Add to Wish List
  29. Hanna HI727 Checker Color of Water

    Hanna Instruments HI727 Checker Color of Water

    $64.95
    This product will be back ordered
    Add to Wish List
  30. Hanna HI729 CHecker Fluoride Low Range

    Hanna Instruments HI729 Checker Fluoride Low Range

    $75.00
    Special Order
    Add to Wish List
  31. Hanna Instruments HI711 Total Chlorine Checker

    Hanna Instruments HI711 Total Chlorine Checker

    $64.95
    Add to Wish List
  32. AutoAqua Smart Stir

    AutoAqua Smart Stir

    $32.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  33. Reef Kinetics ReefBot Replacement Syringes (set of 10)

    Reef Kinetics ReefBot Replacement Syringes (set of 10)

    Special Price $12.00 Regular Price $20.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  34. SenSafe eXact iDip 570nm Smart Photometer Marine Starter Kit

    SenSafe eXact iDip 570nm Smart Photometer Marine Starter Kit

    Rating:
    100%
    1  Review
    $339.99
    This product will be back ordered
    Add to Wish List
  35. Reef Kinetics Reef Bot Bulkhead connectors (set of 3)

    Reef Kinetics Reef Bot Bulkhead connectors (set of 3)

    Special Price $6.00 Regular Price $10.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  36. Hanna HI764-25 Nitrite Checker Ultra Low Range Reagents

    Hanna Instruments HI764-25 Nitrite Checker Ultra Low Range Reagents

    $16.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
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