Correcting Overstocking in a New 100-Gallon Goldfish Pond

Volume Reality

4x6 ft, 1 ft deep = ~180 gal. 2 ft deep = ~360 gal. You have ~150-300 gal depending on depth.

Stocking Fix

• 24 fish is 3-5x overlimit. Start with ≤10 goldfish.
• Returning fish: they likely die at store. Keeping them: you lose some until balance.
• Best: Set up a second pond or large aquarium for excess.

Filtration & Biology

• All ponds have natural biofiltration (liner, rocks, plants). A dedicated filter (PondMaster) is far better.
• Waterfall-integrated filter is fine if sized right.
• Liquid bacteria helps jump-start.
• Plants: Add more oxygenators (hornwort, anacharis) and floating plants (water lettuce, hyacinth).

Black Moor Priority

Fancy goldfish need better water quality. Reduce load to save him.