Freshwater

Power 10 W

Fits: NSF-C200L, NSF-C350L +5

For tanks of ≤ 90 cm

Difficulty: easy

For tanks of ≤ 100 cm

Difficulty: easy

Power 1 W

For tanks of ≤ 120 cm

Difficulty: easy

For tanks of 45–55 cm

Difficulty: medium

For tanks of 60–70 cm

Difficulty: medium