A) 9.0 - 9.5 B) 5.0 - 5.5 C) 6.0 - 6.5 D) 7.0 - 8.5
A) 3 feet B) 1 foot C) 6 inches D) 2 feet
A) Biological filter B) Mechanical filter C) UV sterilizer D) Chemical filter
A) 10-20% weekly B) 100% yearly C) 5% monthly D) 50% monthly
A) Cloudy water B) Algae growth C) Clear water D) Healthy fish
A) 85-95°F B) 65-75°F C) 30-40°F D) 40-50°F
A) 1 day B) 1 week C) 4-6 weeks D) 2 weeks
A) Snails B) Algae C) Water lilies D) Ich
A) Low-protein food B) Algae wafers C) Flake food D) High-protein food
A) Pond location relative to moon phase B) Sunlight C) Decomposing organic matter D) Fish waste
A) Keto Hydrate B) Krypton Halide C) Carbonate Hardness D) Potassium Hydride
A) Keeps the water warm B) Filters the water C) Reduces algae growth D) Provides oxygen for the fish
A) Beneficial bacteria B) Salt C) Bleach D) Vinegar
A) 1 koi per 50 gallons B) 1 koi per 250-500 gallons C) 1 koi per 10 gallons D) 1 koi per 1000 gallons
A) Cattails B) Water lilies C) Poison Ivy D) Water hyacinth
A) Nishikigoi B) Bonsai C) Origami D) Sumo
A) Makes them more colorful B) Helps them grow faster C) Burns their gills D) Repels parasites
A) Filters the water B) Heats the water C) Removes surface debris D) Adds oxygen to the water
A) Ulcers B) Increased appetite C) Increased activity D) Brighter colors
A) Pond dye B) Aquatic plants C) Air stone D) Rock salt
A) Bacterial infection B) High ammonia levels C) Algae bloom D) Parasites
A) Netting over the pond B) Feeding the herons C) Adding more fish D) Planting tall grasses
A) Causes algae blooms B) Ineffective against parasites C) Reduces water clarity D) Toxic to koi
A) Move them indoors to a heated tank B) Stop feeding them completely C) Add antifreeze to the pond D) Keep a hole in the ice for gas exchange
A) Sanke B) Showa C) Ogon D) Kohaku
A) Visibility from the house B) Soil type C) Proximity to trees D) Sunlight exposure
A) Adds oxygen to the water B) Circulates the water C) Removes solid waste D) Heats the water
A) Use a test kit B) Taste the water C) Observe the fish behavior D) Smell the water
A) UV sterilizer B) Biological filter C) Chemical filter D) Settlement chamber |