Best Fish for Soft, Acidic Water

Our top picks for species suited to soft, low-pH tanks.

Looking for species suited to soft, low-pH tanks? Here are the top picks from our species database, with adult size, minimum tank, and temperament. Tap any fish for its full care guide, then plan your tank with the stocking calculator.

• Apistogramma Cacatuoides (3.0", 20g min, Semi-aggressive)
• Bala Shark (12.0", 120g min, Peaceful)
• Black Neon Tetra (1.5", 15g min, Peaceful)
• Black Skirt Tetra (2.5", 20g min, Peaceful)
• Bolivian Ram (3.0", 30g min, Peaceful)
• Bronze Cory (2.8", 20g min, Peaceful)
• Cardinal Tetra (2.0", 20g min, Peaceful)
• Cherry Barb (2.0", 20g min, Peaceful)
• Chili Rasbora (0.7", 5g min, Peaceful)
• Clown Loach (12.0", 75g min, Peaceful)
• Congo Tetra (3.0", 30g min, Peaceful)
• Discus (8.0", 55g min, Peaceful)
• Dwarf Gourami (3.5", 10g min, Peaceful)
• Ember Tetra (0.8", 10g min, Peaceful)
• German Blue Ram (2.5", 20g min, Peaceful)
• Glowlight Tetra (1.5", 10g min, Peaceful)
• Gold Barb (2.8", 20g min, Peaceful)
• Harlequin Rasbora (2.0", 10g min, Peaceful)
• Hatchetfish (1.5", 15g min, Peaceful)
• Honey Gourami (2.0", 10g min, Peaceful)

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