A) 7.0-8.5 B) 3.0-4.0 C) 9.0-10.0 D) 5.0-6.5
A) Monthly B) Annually C) Never D) Weekly or bi-weekly
A) 75% B) 100% C) 10-20% D) 50%
A) Active swimming B) Clamped fins C) Aggressive feeding D) Vibrant colors
A) No filtration needed B) Just mechanical C) Just chemical D) Combination of mechanical and biological
A) 40-50°F (4-10°C) B) 85-95°F (29-35°C) C) 30-40°F (-1-4°C) D) 65-75°F (18-24°C)
A) Ich B) Butterflies C) Earthworms D) Ladybugs
A) 1 foot B) 6 inches C) 2 feet D) At least 3 feet
A) Put in the freezer for 1 hour B) Quarantine them C) Add them immediately D) Skip the quarantine step
A) Use a dechlorinator B) Let it sit for a week C) Boil the water D) Add bleach
A) Cat food B) Sinking pellets C) Floating pellets D) Dog food
A) Once a day in large amounts B) Never C) Several times a day in small amounts D) Once a week
A) Control algae and bacteria B) Add oxygen C) Heat the water D) Add carbon dioxide
A) 1 inch of fish per 10 gallons of water B) 10 inches of fish per 10 gallons of water C) 1 inch of fish per gallon of water D) Unlimited fish per gallon
A) A toxic byproduct of fish waste B) A beneficial element C) Koi Food D) Oxygen source
A) Fish waste B) Harmful algae C) Chemicals D) Beneficial bacteria
A) Nitrites B) Nitrates C) Phosphates D) Ammonia
A) Bleach B) Vinegar C) Ammonia D) Dechlorinator
A) Stirred in B) Used as fertilizer C) Removed immediately D) Left to dissolve
A) Floating only B) As deep as possible C) Same as water level D) Varies by plant species
A) Summer B) Spring C) Autumn D) Winter
A) Feed more B) Ignore it C) Flush them D) Quarantine and treat
A) Calcium B) Phosphorus C) Sulfur D) Iodine
A) Reduce feeding as temperature drops B) Stop feeding entirely in the fall C) Continue feeding normally D) Move them inside
A) Provides oxygen B) Removes oxygen C) Reduces beneficial bacteria D) Increases ammonia
A) Plastic sheeting B) EPDM rubber C) Concrete D) Dirt
A) Releasing other predators B) Netting or decoys C) Ignoring the problem D) Loud music
A) Showa B) Asagi C) Ogon D) Kohaku
A) Heat the water B) Remove debris from the pond floor C) Add oxygen to the pond D) Filter the water |