Aqua One Permanent Co2 Test Kit
Co2 Permanent test kit is designed unit for attaching inside the aquarium which permanently displays the pH value or the CO2 content of the aquarium water.
The pH-level indicates the acidity of the water. The higher the pH-level, the less acid is in the water, the proportion of alkali is higher (the opposite of acids). The lower the pH-level, the more acid the water contains. In aquariums and ponds the following levels are desirable.
Community aquariums: pH: 6,5 – 7,5
CO2 Indicator Freshwater
1 x 10ml Bottle
5 Drops per Test
1 x Test Vial
Wish I had discovered this earlier as its really great to have it there so I can just look at it at a glance.