Testing & Controllers

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-20%

Nitrate Fritz Test Kit Fresh and Saltwater

Original price was: $15.99.Current price is: $12.79.
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SKU: FR233

Nitrate Pro Test Kit 100 Tests

$54.99
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SKU: RS1004

Nitrite (NO2) Test Kit 0.5oz 15ml

$14.69
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SKU: SER464
-20%

Nitrite Fritz Test Kit Fresh and Saltwater

Original price was: $13.99.Current price is: $11.19.
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SKU: FR232

Oxygen (O2) Test Kit 0.5oz 15ml

$22.04
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SKU: SER104

pH 10.01 Buffer Solution 20ml Sachet

$1.04
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SKU: MIL1009
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pH 10.01 Buffer Solution 220ml

$15.74
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SKU: MIL102

pH 4.01 Buffer Solution 20ml Sachet

$1.04
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SKU: MIL1007

pH 7.01 Buffer Solution 20ml Sachet

$1.04
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SKU: MIL1008

pH Electrode w/ Plastic Body, Gel Filled, BNC Connector, & 2.2m Cable

$52.49
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SKU: MIL2003

pH Test Kit 0.5oz 15ml

$12.59
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SKU: SER460
-33%

Phosphate (PO4) Test Kit 0.5oz 15ml

Original price was: $20.99.Current price is: $13.99.
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SKU: SER466