JBL Water Test Refill, For freshwater aquariums, ProAquaTest CO2-pH Permanent Refill, 2 units

Get this JBL Water Test Refill, For freshwater aquariums, ProAquaTest CO2-pH Permanent Refill, 2 units from Amazon for only £13.45. We found this offer today, so hurry whilst stocks last! - Manufacturers part number: 2413900

• Contents: 2x JBL Water Test Refill for JBL ProAquaTest CO2-pH Permanent
• Display of pH value from 6.4 to 7.8 and CO2 content
• Long-term test for fertilisation control: Put reagent into the long-term test device and attach it to the glass pane with suction cups in the aquarium, compare the reagent colour with the colour scale sticker and read off the value
• Simple and safe control of water values in freshwater aquariums
• Advanced water test series: Reclosable reagents for use with ProAquaTest CO2-pH Permanent, Ideally suited for permanent direct measurement of the optimum pH value and carbon dioxide content