Perform partial water-changes on fish tanks. Take-out 25% of the water, replace with dechlorinated water. For empty tanks, scrub-out the tank using warm water and vinegar. Rinse thoroughly after cleaning.
Weekly or Bi-monthly you should change at least 10% of the water with fresh water filtered by Reverse Osmosis. That water can be found at the local fish store. Use an algae pad to clean the glass and then change the water filter. You're good to go.
