Freshwater

For tanks of ≤ 130 cm

Power 0.5 W

For tanks of 20–25 cm

For tanks of 30–35 cm

For tanks of 45–55 cm

For tanks of 60–70 cm

For tanks of 90–100 cm

For tanks of 110–120 cm

For tanks of ≤ 25 cm

For tanks of ≤ 36 cm

For tanks of ≤ 50 cm

For tanks of ≤ 70 cm