Sodium Hydroxymethane Sulfinate.
Use the attached ml dosage cap and add 5 ml (1tsp) per 10 gallons of water. Repeat in 24 hours if necessary. If cloudiness does not clear after two treatments, seek advice from an expert at an aquatics retailer store near you.
It depends on the type of fish you have!
Discus, wild caught angelfish, uaru and certain other fish that are found at or near the equator do better at temperatures between 84° and 88° F.
Betta fish thrive best in water temperatures between 76° and 85° F.
Most tropical fish prefer temperatures ranging from 76° to 80° F.
Goldfish, koi and other coldwater fish prefer the temperatures be between 65° and 72° F.
No, simply seeing condensation inside your Aqueon Glass Adjustable Heater does not that it is broken or defective.
Check that the heater is working properly by using a thermometer with your fish tank. (also make sure that the water is the right temperature for the type of fish that you have inside your fish tank)
The reason you may see condensation is because humidity was in the air and trapped inside the tube when it was manufactured and sealed. Your heater is still able to perform properly with this condensation.