Welcome to Jarek's Underwater Life.
Interested in fishkeeping? Want to have an aquarium? Or just looking for something to read?
The objective of this site is demonstrating my experience with fishkeeping.
Don't know where to start? You can learn what to consider when you want to create your own aquarium.
Frequently out of home? You can learn how to automate your aquarium.
Bored by the on/off light? You can learn how easy it is to build your own energy efficient light that will imitate daylight from the sunrise to the sunset.
17/10/2020
Clock backup
The time of the unit and the switch status are maintained when the unit is not powered.
10/5/2020
Filtration and fertilization
The aquarium began to act strangely. The new plants did not prosper. And the other plants were not growing as before. Some fish died.
