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Willy Naessens Swimming Pools
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Breadcrumb
  1. Home
  2. refill testers

Refill testers

Already have a digital or manual water tester but in need of a refill?
In this category you will find all the spare pills, strips and calibration liquids you need to get back to work.

So first take a good look at which digital meter you own and then look here for the right refill.
This way, you can quickly get back to measuring and keep the water quality of your spa or pool under control.

Price
ORP Hanna Pocket replacement probe
Hanna pocket orp probe

ORP Hanna Pocket replacement probe

99,00 €
  • Replacement probe
  • For pocket meter ORP
  • From the brand Hanna
Replacement probe for pocket meter ORP
Hanna iron reagent for checker
Hanna iron reagent for checker

Hanna iron reagent for checker

12,00 €
  • Reagent
  • Measuring iron in water
  • 25 units
Iron reagents
Hanna cleaning fluid 20ml
Hanna cleaning fluid 20ml

Hanna cleaning fluid 20ml

3,39 €
  • Cleaning fluid
  • For electrodes
  • For digital pH tester
  • 20 ml
Cleaning fluid
Hanna storage liquid 20ml
Hanna storage liquid 20ml

Hanna storage liquid 20ml

3,39 €
  • Storage liquid
  • For digital pH tester
  • 20 ml
Storage liquid
Hanna Calibration fluid 12880 µS/cm 20ml (EC)
Hanna Calibration fluid 12880 µS/cm 20ml (EC)

Hanna Calibration fluid 12880 µS/cm 20ml (EC)

3,39 €
  • Conductivity solution
  • 12880 µS/cm 20ml (EC)
  • Packed in a 20 ml bag
Calibration fluid
Hanna Calibration fluid salt 6.44 20ml (TDS)
Hanna Calibration fluid salt 6.44 20ml (TDS)

Hanna Calibration fluid salt 6.44 20ml (TDS)

3,39 €
  • Calibration solution
  • For salt value/TDS
  • 1 sachet of 20 ml
Calibration liquid salt
Hanna cleaning fluid 500ml
Hanna cleaning fluid 500ml

Hanna cleaning fluid 500ml

20,00 €
  • Cleaning fluid
  • From the brand Hanna
  • 500ml
Cleaning fluid
Alkalinity refill tablets Lovibond 100 pieces
Alkalinity refill tablets Lovibond 100 pieces

Alkalinity refill tablets Lovibond 100 pieces

38,50 €
  • Refill tablets
  • Measure alkalinity
  • 100 units
Refill tablets
Replacement probe Blue Connect Plus 4in1
Replacement probe Blue Connect Plus 4in1

Replacement probe Blue Connect Plus 4in1

135,00 €
  • Replacement probe
  • For the Blue Connect Plus
  • From the official Blueriiot brand
  • Suitable for chlorine, bromine and electrolysis pools and spas
  • This probe measures temperature, pH, ORP and conductivity
  • Blue Connect Go, Blue Connect Plus, Smart Water Analyzer en Joey
Replacement probe for the Blue Connect Plus
Hanna chlorine removal reagents
Hanna chlorine removal reagents

Hanna chlorine removal reagents

17,50 €
  • Chlorine removal reagent
  • For pH and alkalinity measurements
  • Good for +/- 300 tests
Removal reagents for chlorine
Hanna Alkalinity Reagent
Hanna Alkalinity Reagent

Hanna Alkalinity Reagent

43,50 €
  • Reagents
  • To measure alkalinity value
  • For your spa or pool
  • For Hanna photometer
Reagents for alkalinity meter
Hanna storage liquid 500ml
Hanna storage liquid 500ml

Hanna storage liquid 500ml

29,56 €
  • Storage liquid
  • From the brand Hanna
  • 500ml
Bewaarvloeistof
Hanna pH Reagent
Hanna pH Reagent

Hanna pH Reagent

24,81 €
  • pH reagent
  • Liquid good for 100 tests
Reagents for pH
Lovibond DPD no. 3 reagent tablets
Reagent tablets for Scuba II

Lovibond DPD no. 3 reagent tablets

19,95 €
  • Reagent tablets for Scuba II
  • Measures total chlorine
  • 100 tablets per pack
Reagent tablets for Scuba II
Calibration kit Ondilo ICO digital tester
Calibration kit Ondilo ICO digital tester

Calibration kit Ondilo ICO digital tester

42,00 €
  • Calibration kit
  • For Ondilo ICO digital tester
  • pH4, pH7 and 470mV
  • Holder for easy calibration of probes
Kit to calibrate the probes
ORP Chlorine/Bromine Probe for Ondilo ICO digital tester (orange)
ORP Chlorine/Bromine Probe for Ondilo ICO digital tester (orange)

ORP Chlorine/Bromine Probe for Ondilo ICO digital tester (orange)

99,00 €
  • Chlorine/Bromine ORP probe
  • For digital water tester Ondilo ICO
  • Replacement probe
  • From the official ICO brand
  • Very easy to replace
Replacement probe for digital tester
ORP Salt Probe for Ondilo ICO digital tester (gold)
ORP Salt Probe for Ondilo ICO digital tester (gold)

ORP Salt Probe for Ondilo ICO digital tester (gold)

99,00 €
  • Salt probe
  • For digital water tester Ondilo ICO
  • Replacement probe
  • From the official ICO brand
  • Very easy to replace
Replacement probe for digital tester
Conductivity Probe for Ondilo ICO digital tester (grey)
Conductivity Probe for Ondilo ICO digital tester (grey)

Conductivity Probe for Ondilo ICO digital tester (grey)

95,00 €
  • Conductivity probe
  • For digital water tester Ondilo ICO
  • Replacement probe
  • From the official ICO brand
  • Very easy to replace
Replacement probe for digital tester
pH Probe for Ondilo ICO digital tester (blue)
pH Probe for Ondilo ICO digital tester (blue)

pH Probe for Ondilo ICO digital tester (blue)

89,00 €
  • pH probe
  • For digital water tester Ondilo ICO
  • Replacement probe
  • From the official ICO brand
  • Very easy to replace
Replacement probe for digital tester
Hanna calibration fluid and maintenance kit
 Hanna calibration fluid and maintenance kit

Hanna calibration fluid and maintenance kit

9,99 €
  • Universal for all brands of electrodes
  • Maintenance in a matter of minutes
  • 1 x pH 4 calibration fluid (20ml)
  • 1 x pH 7 calibration fluid (20ml)
  • 1 x redox test fluid (20ml)
  • 1 x cleaning fluid (20ml)
  • 1 x storage liquid (20ml)
Maintenance fluid kit
Free chlorine reagents (Hanna digital water tester)
Free chlorine reagents (Hanna digital water tester)

Free chlorine reagents (Hanna digital water tester)

14,50 €
  • Free chlorine reagents
  • For digital water tester Hanna
  • 25 items
Refill digital water tester chlorine
Phenol Red Rapid spare pills Lovibond (100 pcs)
Phenol Red Rapid spare pills Lovibond (100 pcs)

Phenol Red Rapid spare pills Lovibond (100 pcs)

19,95 €
  • Spare pills for Lovibond manual testers
  • Measure pH value
  • 100 pieces
Phenol Red Rapid spare pills Lovibond
DPD n°3 Rapid spare pills Lovibond (100 pcs)
DPD n°3 Rapid spare pills Lovibond (100 pcs)

DPD n°3 Rapid spare pills Lovibond (100 pcs)

19,95 €
  • DPD n°3 Rapid spare pills Lovibond
  • Measure total chlorine
  • 100 pieces
DPD n°3 Rapid spare pills Lovibond
DPD n°1 Rapid spare pills Lovibond (100 pcs)
DPD n°1 Rapid spare pills Lovibond (100 pcs)

DPD n°1 Rapid spare pills Lovibond (100 pcs)

19,95 €
  • Spare pills for Lovibond manual testers
  • Measure free chlorine
  • 100 pieces
DPD n°1 Rapid spare pills Lovibond
Tablets Pool Lab 1.0 digital tester (70 pieces)
Tablets Pool Lab 1.0 digital tester (70 pieces)

Tablets Pool Lab 1.0 digital tester (70 pieces)

19,95 €
  • Refill kit for the Pool Lab 1.0 digital tester
  • 20 Tabl. DPD 1 photometer
  • 20 Tabl. Phenol Red photometer
  • 10 Tabl. DPD 3 photometer
  • 10 Tabl. Alka-M photometer
  • 10 Tabl. CyA-Test photometer
Tablets Pool Lab 1.0 digital tester (70 pieces)
Hanna Calibration Fluid pH 4.01 – 20 ml
Top seller
pH 4.01 Hanna Calibration Fluid 20 ml

Hanna Calibration Fluid pH 4.01 – 20 ml

3,39 €
  • Hanna Instruments calibration fluid
  • pH 4.01
  • Buffer solution
Buffer solution from Hanna Instruments
Lovibond Phenol Red reagent tablets
Phenol Red Scuba II

Lovibond Phenol Red reagent tablets

19,95 €
  • Reagent tablets for Scuba ||
  • Mesures total chlorine
  • 100 tablets per pack
Phenol Red Scuba II
Lovibond DPD no. 1 reagent tablets
Lovibond DPD no. 1 reagent tablets

Lovibond DPD no. 1 reagent tablets

19,95 €
  • Reagent tablets for Scuba II
  • Measures free chlorine
  • 100 test strips per package
Reagent tablets for Scuba II
Hanna Pocket pH Replacement probe
Hanna Pocket pH Replacement probe

Hanna Pocket pH Replacement probe

79,00 €
  • Replacement probe
  • For pocket meter pH
  • From the Hanna brand
Replacement probe for pocket meter pH
Email me when product is in stock
Hanna Pocket EC/tds Replacement Probe
Hanna Pocket EC/tds Replacement Probe

Hanna Pocket EC/tds Replacement Probe

94,50 €
  • Replacement probe
  • For pocket meter EC/tds
  • From the brand Hanna
Replacement probe for pocket meter EC/tds
Email me when product is in stock
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