!

Protective orange rubber boot for Hanna Ion specific meters. This item is a special order item only.
di-HI710010
!
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.
di-HI73127
!
Replacement electrode for hand held combe meter part # DI-HI98129.
Replacement electrode for hand held combe meter part # DI-HI98129.

Replacement ORP probes for Aquazone Ozone generators. This item is a special order item only.
di-RS33360
!
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.

Salinity (NaCI) Calibration solution 30g-l. (Hanna).
di-HI7081M
!
Salinity (NaCI) Calibration solution 30g-l. (Hanna).
Salinity (NaCI) Calibration solution 30g-l. (Hanna).

Salinity Refractometer
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
!
  • Salt tester for Koi Ponds
  • 0.1 - 10.00 ppt

Spare cuvets for Hanna Colorimeter. FOUR QUANTITY PER PACK.
di-HI731321
!
Spare cuvets for Hanna Colorimeter. FOUR QUANTITY PER PACK.
Spare cuvets for Hanna Colorimeter. FOUR QUANTITY PER PACK.

T.D.S. Calibration Solution 84 ppm 20 ml. sachet Hanna.
di-HI70033P-1
!
T.D.S. Calibration Solution 84 ppm 20 ml. sachet Hanna.
T.D.S. Calibration Solution 84 ppm 20 ml. sachet Hanna.

Tissues for Cuvets (4 pc.). This item is a special order item only.
di-HI731318
!
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.

Waterproof Total Dissolved Solids Pen
Waterproof Total Dissolved Solids Pen
!
  • TDS pen waterproof and floating
  • Used for measuring of nutrient concentrations in hydroponic systems and applications.