Universal PH Test Strips Full Range 1-14 Indicator Paper Tester 100 Strips Boxed w/ Color Chart
tested. Works fine.
Verry Good and cheap !! safty for using box included cheked with a digital one and the result is the same!
Excellent product meets all specifications.
comme d'habitude,tout est très bien,bravo .
Very useful.
Super produit Livraison rapide et soignée Merci !