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