Instructions:
1. Strip completely dive into the water,
2. times "go" 3 back and forth (30 cm long movements)
3. Remove from the water and strips 1min wait long
4. After that, the discoloration on the strip with the Compare the attached table (these are very carefully read and comparable)
test strips for whom I have a test with our well water ("extremely" lime and ferrous) performed after the tap water in Vienna and finally the fresh water (to 100 percent osmosis water with universal fertilizer for aquarium) in my 300l aquarium ...
the differences of einzelenen water tests were very good stripes to be recognized.
I have 80 fish (guppies and neons) for 6 months in my pelvis. a water test I perform every 2 weeks, this shows me change very accurately. Fish are my no dead so far and their behavior speaks for a good habitat. Plants grow and shine with rich colors.
so I can not complain about this product and can therefor only awarded 5 star ...
