Self Control / CZHT 100 D50 / water hardness measuring 0-28 ° dH: 50 test strips - Shop - simple - fast - accurate (household goods)
This offer is purely priced very fair. The 50 test strips cost about 12.60 euros currently and should thus be regarded as a very inexpensive. I have tested several strips and can be said that they respond well and clearly. Unfortunately, there are al
