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.
11/2/2024
Auxiliary outputs and protection against CO2 poisoning
Another thing I finished on the unit is the auxiliary outputs. They serve to control supporting devices. Not only by time but according to the current or power of the light as well. This allows protection of the fish against CO2 when the light stops working.
22/1/2023
PCB design and manufacture
Successfully finished the PCB designed and manufacture. Tested the board with a load of 340 W.
25/7/2022
Angelfish fights
Two angelfish started to fight to each other. The fights were intensive so I had to isolate one of them.
