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Best Fish for Hard Water
Species that thrive in hard, alkaline tap water without adjustment.
Guppy
10 gal · 2" · Easy
Endler's Livebearer
10 gal · 1.3" · Easy
Platy
10 gal · 2.5" · Easy
Molly
20 gal · 4" · Easy
Swordtail
20 gal · 5.5" · Easy
Bristlenose Pleco
29 gal · 5" · Easy
White Cloud Mountain Minnow
10 gal · 1.5" · Easy
Common Goldfish
40 gal · 10" · Moderate
Cherry Shrimp
5 gal · 1" · Easy
Amano Shrimp
10 gal · 2" · Easy
Nerite Snail
5 gal · 1" · Easy
Mystery Snail
5 gal · 2" · Easy
12 species match this category.