Test Kits

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-20%

Alkalinity KH Fritz Test Kit Fresh and Saltwater

Original price was: $13.99.Current price is: $11.19.
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SKU: FR234
Out of stock

Ammonia (NH4/NH3) Test Kit ** Out of Stock

$23.09
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SKU: AZ237

Ammonia Alert

$9.44
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SKU: SC6626
-20%

Ammonia Fritz Test Kit Fresh and Saltwater

Original price was: $18.99.Current price is: $15.19.
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SKU: FR231
-24%

Ammonium/Ammonia (NH4/NH3) Test Kit 0.5oz 15ml

Original price was: $19.94.Current price is: $15.19.
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SKU: SER463
-14%

Calcium (Ca) Test Kit 0.5oz 15ml

Original price was: $18.89.Current price is: $16.19.
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SKU: SER252
-20%

Calcium Fritz Test Kit Fresh and Saltwater

Original price was: $14.99.Current price is: $11.99.
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SKU: FR238

Carbonate Hardness (kH) Test Kit 0.5oz 15ml

$12.59
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SKU: SER461

Chlorine (cl) Test Kit 0.5oz 15ml

$14.16
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SKU: SER103
-33%

Copper (Cu) Test Kit 0.5oz 15ml

Original price was: $18.89.Current price is: $12.59.
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SKU: SER102
-20%

Copper Fritz Test Kit Fresh and Saltwater

Original price was: $14.99.Current price is: $11.99.
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SKU: FR236

General Hardness (gH) Test Kit 0.5oz 15ml

$10.49
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SKU: SER462