Freshwater

For tanks of 20–25 cm

Difficulty: easy

For tanks of ≤ 200 l

Volume 110 l

For tanks of 30–35 cm

Difficulty: easy

For tanks of 100–300 l

Volume 110 l

For tanks of 45–55 cm

Difficulty: medium

For tanks of ≤ 250 l

Volume 200 l

For tanks of 60–70 cm

Difficulty: medium

For tanks of ≤ 250 l

Volume 120 l

Power 25–400 W