I only do 20 to 30% water changes once a week. You should test your water regularly to see what the Amonia, Nitrite, and Nitrate levels are so that you know if your changing enough water.
you should do a 50% water change every other week
Change 10% of your water (so 1 gallon of water if you have a 10 gallon tank) per week. Change at least 25% of your water monthly.
1 gallon. Sugar is soluble in water and should not significantly change the volume
How often should you change water pump in a boat
That depends on the number and size of the fish you have added in the tank. But as blanket recommendation you can do 50 percent water change once in a week.
Quite often, as a 5 gallon tank will only suffice for the first few months of a hatchling turtle's life.
1 gallon tanks & smaller need to be changed/cleaned every 5 days.
you should change it every week so it will always be clean.
It's recommended to perform a partial water change of about 25% every 2-4 weeks in a 29-gallon fish tank. Additionally, you should clean the filter once a month and regularly remove any debris or waste from the tank to maintain water quality and a healthy environment for your fish.
It depends on how hard your water is.
Every day.
You should generally change the water for your plants every 1-2 weeks to ensure they have clean and fresh water for optimal growth.