My freshwater tank has white bubbles at the waterline. The bubbles are foaming and are coming from my bubble maker. What is happening?

More Questions. Additional questions in this category.

• 

  silver dollar fish has a lump that is orange on its side and looks like smaller ones maybe forming does anyone know what this might be?
  by ikillforkicks on September 21st, 2011 | 1 person likes this

• 

  what do little bubbles at the top of my fish tank mean?
  by Anonymous on July 21st, 2011 | 2 people like this

• 

  Hi I want to know what is it meant by mature aquarium water, currently I have a tank that been sitting for a month with a filter but no fish
  by Anonymous on January 6th, 2010 | 1 person likes this

• 

  I found my male swordtail dead after 3 days. What would kill him out of 1 pleco, 5 zebra danios,& 1 angelfish?
  by Secret_Scorpio on March 1st, 2012 | 1 person likes this

• 

  I bought a 6.5 gal tank with gravel and decorations from a charity store. It was cleaned with sterilising fluid. Is it safe to use?
  by Matthew_W4391 on March 1st, 2011 | 1 person likes this

• More Freshwater tanks See only professionally researched Freshwater tanks questions