works well

 If like me you have trouble telling the colours apart on the indicator papers for testing water than this is a must , A digital pH Meter, giving impressive accuracy you can test your water when away to make sure it is safe to drink , this is handy pocket size so ideal for traveling but you can also test your fish tanks and swimming pools , with its large LCD display and its high accuracy 0.03pH range of error ensures more reliable results   

for more information please click the link below 

 

https://www.amazon.co.uk/JER-Household-Hydroponics-Resolution-0-00-14-00/dp/B079DNGG5K

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