80 Strips PH Test Strip Aquarium Pond Water Testing Litmus Paper Full Range Alkaline Acid 1-14 | Инструменты

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100% Brand New.
High accuracy pH test paper, pH range from 1-14
pH 1-14 color chart in each pack
There is a strong correlation between the pH of the body's internal environment and pH paper help you
to maintain good healthy body by testing many usual everyday substances, including moisturized
soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat...etc.
The test strip color changes must be matched with the pH scale color chart within about 15 seconds.
Instruction:
Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
Keep dry for the rest paper.
 

1 x Set of 80pcs pH paper test 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. 6. If you have not received your order after 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 7. Delivery Time: 1. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUE A REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4. We will bear all the shipping cost if the product(s) is (are) not as advertised. Defective items MUST BE reported and returned with original packaging, if possible. You must tell us what the defect is and give us your order number. You agree to all of the above-listed policies upon ordering on aliexpress! We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can perform up your satisfaction. It is impossible to address issues if we do not know about them! [relateproductdetail/]