JBL CO2 plus pH Bedienungsanleitung Seite 9

an air pocket forms in the opening of the white cap, to separate the
indicator liquid from the aquarium water. The colour change is caused
by diffusion.
4. Position the round colour plate on the suction pad to cover it
completely. The colour plate sticks by adhesion and can be removed
at any time to be fixed at another place.
5. The colour plate shows the five colours the solution in the indicator
window can take on: yellow: too much CO, green: CO
enough CO
2
6. Please note that the indicator solution needs 2-3 hours, to indicate the
correct CO
2
7. The indicator solution needs to be replaced every 3 – 4 weeks.
The current CO
the indicator colour in the appliance directly with the colour on the colour
plate.
The correct CO
For aquarium water JBL recommends a CO
30 mg/l. 20 - 25 mg/l has proved to be ideal. This level is not harmful
for fish and also ensures luxuriant plant growth. For aquascaping we
recommend a higher CO
adjust your CO
How much CO
level depends on various factors. Water movement, consumption by
the plants etc. - all these have an influence. The right amount to add
therefore has to be found for each individual aquarium. Please also
consult the operating instructions for your CO
WARNING: No CO
carbon. Therefore the test is not able to indicate CO
that the indicator always remains blue!
and intermediate stages
content.
level can be read in milligrams per litre by comparing
2
content
2
content of 25 – 35 mg/l. Therefore gradually
2
fertilizing equipment until these levels are reached.
2
has to be added to your fertilizer system to reach this
2
is generated when fertilising with so-called liquid
2
is ok, blue: not
2
content of between 15 and
2
fertilizing system.
2
, which means
2
UK