Test Kits

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HI772-26 Alkalinity Reagents 25 Tests

$18.89
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SKU: HN107
-32%
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HI780 Saltwater PH Checker*

Original price was: $62.95.Current price is: $42.99.
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SKU: HN127

HI780-25 pH Reagent 100 Tests*

$21.00
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SKU: HN130
-27%

HI781 Saltwater Low Range Nitrate Checker

Original price was: $68.20.Current price is: $49.99.
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SKU: HN128
-25%

HI781-25 Nitrate Reagent 25 tests

Original price was: $19.95.Current price is: $15.00.
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SKU: HN131

HI782 Saltwater High Range Nitrate Checker

$68.20
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SKU: HN133
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HI782-25 Nitrate High Range Reagent 25 tests

$15.75
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SKU: HN135

HI783 Magnesium Test Kit

$68.20
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SKU: HN137

HI784-25 Ammonia Reagents 25 Tests (SO)

$22.05
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SKU: HN140

HI98301 DiST1 Waterproof TDS and Temperature Tester 1999PPM (mg/l)

$67.20
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SKU: HN119

High Range pH Test Kit 7.4-8.8

$9.44
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SKU: APH1077
-24%

Iron (Fe) Test Kit 0.5oz 15ml

Original price was: $27.29.Current price is: $20.79.
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SKU: SER101