Aquarium fish for hard water
Sometimes it is the case that the aquarium water is very hard. This can already come so from the water supply. In addition, however, it is possible that the water hardness increases due to certain furnishings. To ensure that the animals in the tank still feel comfortable, care should be taken to use aquarium fish for hard water.
In the following 5 fish are presented, which are suitable for hard water.
Guppy
Facts:
- Size: 2 – 6 cm
- Life expectancy: 2 – 3 Years
- Coloring: various colorings (red, blue, yellow, green, …)
- Feeding: omnivore
- Housing conditions: at least 5 – 6 fish
- Sexual maturity: after 2 – 3 months
- Litter size: 5 – 20 fry
Water parameters:
- PH value: 7 – 8.5
- Temperature: 22° – 28°C
Platy
Facts:
- Size: 3 – 6 cm
- Life expectancy: 4 Years
- Coloring: various colorings (yellow, orange, red, …)
- Feeding: omnivore (High vegetable content)
- Housing conditions: at least 5 fish
- Sexual maturity: after 4 – 6 months
- Litter size: up to 80 fry
Water parameters:
- PH value: 7 – 8
- Temperature: 18° – 25°C
Black Molly
Facts:
- Size: 6 – 10 cm
- Life expectancy: 5 Years
- Coloring: black
- Feeding: Omnivore (High vegetable content)
- Housing conditions: at least 5 – 6 fish
- Sexual maturity: after 3 – 4 months
- Litter size: 30 – 80 fry
Water parameters:
- PH value: 7 – 8
- Temperature: 24° – 30°C
Harlequin rasbora
Facts:
- Size: ca. 4,5 cm
- Life expectancy: 4 – 6 Years
- Coloring: Silver, red-orange or light red shimmer
- Feeding: omnivore
- Housing conditions: at least 12 fish
- Sexual maturity: after 6 – 9 months
Water parameters:
- PH value: 6 – 7
- Temperature: 22° – 26°C
Danio rerio
Facts:
- Size: 5 – 6 cm
- Life expectancy: 5 – 6 Years
- Coloring: Blue/Yellow stripes
- Feeding: omnivore (live/frozen food preferred)
- Housing conditions: at least 8 – 10 fish
- Sexual maturity: after 3 – 4 months
Water parameters:
- PH value: 6 – 8
- Temperature: 20° – 26°C