Freshwater

For tanks of ≤ 250 l

For tanks of ≤ 50 cm

For tanks of 1–800 l

For tanks of ≤ 600 l

For tanks of ≤ 70 cm

For tanks of 10–300 l

For tanks of ≤ 90 cm

For tanks of < 30 l

For tanks of 60–120 l

For tanks of ≤ 100 cm

For tanks of 100–150 l

For tanks of ≤ 200 l

For tanks of ≤ 120 cm

For tanks of 150–250 l

For tanks of ≤ 350 l

For tanks of 45–55 cm

For tanks of 10–40 l

For tanks of ≤ 200 l