DIGITAL pH PEN

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DIGITAL pH PEN/CALIBRATION SOL

Maintaining the proper pH level is essential to the health and well being of your aquarium inhabitants. This pH tester will provide a fast and accurate reading on a large LCD.  This is a great item for freshwater or saltwater aquariums.

Salinity Refractometer

SALE
  • A low cost Automatic, Temperature compensated salinity refractometer.
  • 0-100ppt and 1.000-1.070 specific gravity.

Salt tester for Koi Ponds

  • Salt tester for Koi Ponds
  • 0.1 - 10.00 ppt

Waterproof Total Dissolved Solids Pen

  • TDS pen waterproof and floating
  • Used for measuring of nutrient concentrations in hydroponic systems and applications.

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12 V DC 2115 Power Adapter for Pronto Units.

12 V DC 2115 Power Adapter for Pronto Units.
12 V DC 2115 Power Adapter for Pronto Units.

pH Electrode double junction probe.

pH Electrode double junction probe.
pH Electrode double junction probe.

pH Electrode double junction laboratory grade probe with BNC connector 5 meter cable (Hanna).

pH Electrode double junction laboratory grade probe with BNC connector 5 meter cable (Hanna).
pH Electrode double junction laboratory grade probe with BNC connector 5 meter cable (Hanna).

T.D.S. Calibration Solution 84 ppm 20 ml. sachet Hanna.

T.D.S. Calibration Solution 84 ppm 20 ml. sachet Hanna.
T.D.S. Calibration Solution 84 ppm 20 ml. sachet Hanna.

Salinity (NaCI) Calibration solution 30g-l. (Hanna).

Salinity (NaCI) Calibration solution 30g-l. (Hanna).
Salinity (NaCI) Calibration solution 30g-l. (Hanna).

Protective blue rubber boot for Hanna Ion specific meters. This item is a special order item only.

Protective blue rubber boot for Hanna Ion specific meters. This item is a special order item only.
Protective blue rubber boot for Hanna Ion specific meters. This item is a special order item only.

Protective orange rubber boot for Hanna Ion specific meters. This item is a special order item only.

Protective orange rubber boot for Hanna Ion specific meters. This item is a special order item only.
Protective orange rubber boot for Hanna Ion specific meters. This item is a special order item only.

Replacement electrode for hand held combe meter part # DI-HI98129.

Replacement electrode for hand held combe meter part # DI-HI98129.
Replacement electrode for hand held combe meter part # DI-HI98129.

Tissues for Cuvets (4 pc.). This item is a special order item only.

Tissues for Cuvets (4 pc.). This item is a special order item only.
Tissues for Cuvets (4 pc.). This item is a special order item only.

Spare cuvets for Hanna Colorimeter. FOUR QUANTITY PER PACK.

Spare cuvets for Hanna Colorimeter. FOUR QUANTITY PER PACK.
Spare cuvets for Hanna Colorimeter. FOUR QUANTITY PER PACK.

Replacement ORP probes for Aquazone Ozone generators. This item is a special order item only.

Replacement ORP probes for Aquazone Ozone generators. This item is a special order item only.
Replacement ORP probes for Aquazone Ozone generators. This item is a special order item only.

Laboratory grade ORP Probe with 10 ft. Cable.

Laboratory grade ORP Probe with 10 ft. Cable.
Laboratory grade ORP Probe with 10 ft. Cable.

Laboratory Grade pH Probe with 10 ft. Cable.

Laboratory Grade pH Probe with 10 ft. Cable.
Laboratory Grade pH Probe with 10 ft. Cable.

Laboratory grade Temperature Probe with 10 ft. Cable (Octopus 2000). This item is a special order item only.

Laboratory grade Temperature Probe with 10 ft. Cable (Octopus 2000). This item is a special order item only.
Laboratory grade Temperature Probe with 10 ft. Cable (Octopus 2000). This item is a special order item only.

pH or ORP Probe Extension Cable (25 ft.). This item is a special order item only.

pH or ORP Probe Extension Cable (25 ft.). This item is a special order item only.
pH or ORP Probe Extension Cable (25 ft.). This item is a special order item only.

pH- monitor complete kit. Consists of : pH-control, pH-Electrode, and pH-buffer.

pH- monitor complete kit. Consists of : pH-control, pH-Electrode, and pH-buffer.
pH- monitor complete kit. Consists of : pH-control, pH-Electrode, and pH-buffer.