eSHA Aqua Check Test Kit, Aquarium Water Test Strips for all types of Fish Tanks With the eSHA Aqua Check Test Kit, Aquarium Water Test Strips you can monitor five values which are crucial for good water quality: pH (acidity), KH (carbonate hardness), GH (general hardness), nitrite (NO2) and nitrate (NO3). It?s important for you to understand what can cause abnormal values and what action you can take if the test strip indicates that the water. Easy to use, simply insert the test strip into the water, and several seconds later you have fast, accurate results. For use in fish tanks, aquariums, tropical and cold water aquatic environments. Not intended for Salt (Marine) water. ? 50 test strips ? easy dip test ? 5 separate tests per dip test ? pH (acidity), KH (carbonate hardness), GH (general hardness), nitrite (NO2) and nitrate (NO3) We sell many aquatic products online, check out our store! Terms and Conditions. We use all approved methods for accepting payment. Sales Tax will be added to all shipments based regulations. We always try to combine purchases, please contact us directly for a personal service. You will be notified on the day that your goods have been dispatched via e-mail with tracking which is used on all purchases. Please note that if there are any problems, contact us first via e-mail giving full details of any problem along with your user ID. We use USPS and UPS as our chosen carriers shipments to Hawaii, Alaska Puerto Rico may incur surcharges, contact will be made to advise before shipment at which point the order can be canceled if desired. Orders placed on Saturday/Sunday Public Holidays will be processed next working day. We pride ourselves on excellent feedback, if any part of the buying experience is not to your satisfaction, please contact us to rectify before leaving feedback. By committing to buy you are agreeing to the Terms Conditions stated above.