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Special 10% price match offer for this Neptune product! If you find a lower price in Canada, we'll match it plus give you an extra 10% of the diffe...

Pinpoint pH 4.00 Calibration Fluid Single-use plastic envelope packet that contains enough fluid for a complete calibration (about 30 ml)...

Special 10% price match offer for this Neptune product! If you find a lower price in Canada, we'll match it plus give you an extra 10% of the diffe...

Mag-Float 350 Magnet Cleaner (Glass) – Large Model: Float-350 Glass / Thickness: 5/8″ (16mm) Dimensions: 3 ¼” x 2 ½” x 1″ ...

Mag-Float 125 Magnet Cleaner (Glass) – Medium Model: Float-125 Glass / Thickness: 3/8″ (9.52mm) Dimensions: 3 7/8″ x 1 3/8″ ...

Hanna Instruments Checker Phosphate Colorimeter Easier to use and more accurate than chemical test kits Adaptation of Standard Method 4500-P E Accu...

Hanna Instruments Checker Marine Calcium Colorimeter Easier to use and more accurate than chemical test kits Colorimetric method Accuracy ±6% of r...

Hanna Instruments Checker Marine Alkalinity Colorimeter Hanna HI755 Marine Alkalinity Checker Specifications: Range: 0 to 250ppm (mg/L) Resolution...

Danner Mag-Drive Supreme 7 - 700 GPH Water Pump Magnetic drive Supreme pumps are made to run continuously, without seals to wear out. Highly energy...

Danner Mag-Drive Supreme 2 – 250 GPH Water Pump Feature(s): Flow Rate: 250 GPH maximum flow with a 7` shut-off Power c...

  Danner Mag-Drive Supreme 18 – 1800 GPH Pump Magnetic drive Supreme pumps are made to run continuously, without seals to wear out. Highly energy e...

80W Aquablue Special T5 HO Fluorescent 60″ by ATI ATI 80W Aquablue Special T5 HO Fluorescent bulb combines the properties of a full-spectrum bulb w...

80W Purple Plus T5 HO Fluorescent 60″ by ATI ATI 80W Purple Plus T5 High-Output Fluorescent bulb combines the properties of a full spectrum bulb wi...

80W Coral Plus T5 HO Fluorescent 60″ by ATI ATI 80W Coral Plus T5 High-Output Fluorescent bulb combines the properties of a Blue Plus (~50%), Aquab...

80W Blue Plus T5 HO Fluorescent 60″ by ATI ATI 80W Blue Plus T5 HO Fluorescent bulb combines the properties of a blue bulb (approximately 460nm) wi...

54W Aquablue Special T5 HO Fluorescent 48″ by ATI ATI 54W Aquablue Special T5 HO Fluorescent bulb combines the properties of a full-spectrum bulb w...

54W True Actinic 03 T5 HO Fluorescent 48″ by ATI ATI 54W True Actinic T5 High-Output Fluorescent bulb produces a violet-blue light that is designed...

54W Purple Plus T5 HO Fluorescent 48″ by ATI ATI 54W Purple Plus T5 High-Output Fluorescent bulb combines the properties of a full spectrum bulb wi...

54W Coral Plus T5 HO Fluorescent 48″ by ATI ATI 54W Coral Plus T5 High-Output Fluorescent bulb combines the properties of a Blue Plus (~50%), Aquab...

54W Blue Plus T5 HO Fluorescent 48″ by ATI ATI 54W Blue Plus T5 HO Fluorescent bulb combines the properties of a blue bulb (approximately 460nm) wi...

39W True Actinic 03 T5 HO Fluorescent 36″ by ATI ATI 39W True Actinic T5 High-Output Fluorescent bulb produces a violet-blue light that is designed...