Cardinal Tetra water parameters & overlap
Use this freshwater pH, GH, and KH overlap tool to avoid aquarium temperature mismatch and water hardness conflicts before choosing community tank mates.
Temperature75-82F
pH4.5-7.2
GH1-8 dGH
KH0-4 dKH
Stability notes
Use these ranges as a compatibility window, not as a reason to chase an exact pH number. Stable temperature, mature filtration, and gradual acclimation are safer than frequent chemical swings.
Parameter-compatible livestock
- Bettayellow | schooling_size_issue
- Neon Tetrayellow | schooling_size_issue
- Guppyyellow | water_hardness_mismatch
- Endler Livebeareryellow | water_hardness_mismatch
- Platyyellow | water_hardness_mismatch
- Zebra Danioyellow | temperature_mismatch
- Pearl Danioyellow | schooling_size_issue
- Cherry Barbyellow | schooling_size_issue
- Tiger Barbyellow | schooling_size_issue
- Rosy Barbyellow | schooling_size_issue
- Harlequin Rasborayellow | schooling_size_issue
- Chili Rasborayellow | schooling_size_issue