Freshwater

For tanks of 100–250 l

For tanks of 50–150 l

For tanks of 10–30 l

For tanks of 250–500 l

For tanks of 250–500 l

For tanks of 150–250 l

For tanks of 50–150 l

For tanks of 60–150 l

For tanks of 200–400 l

For tanks of 250–500 l

For tanks of 20–100 l