Vender jucean redondo 5m ph saliva indicador de papel orina agua litmus pruebas de jardinería 1-14 ph ácido alcalino/multicolor al mejor precio

<div><p>Total Length: 5m Round correction tape shape that's easy to cary around. PH wide range 0-14 5m with distinct color PH scale for result comparisons. Appropriate for testing alkaline or acid level of any liquid. Package Contents: 1 x PH Test Paper. The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Description: 0 - 3 indicates a very acidic substance 4 - 6 indicates an acidic substance 7 indicates neutral 8 - 11 indicates alkalinity 12 - 14 indicates a very high level of alkalinity</p></div>