Woolite Foam Carpet Cleaner - Sprays out in foam stream so you can spray right on grout line. Let set several minutes, brush, wipe away. Easiest way ever to clean gross grout! Hmm might try this at the new house, don't know if my grout is colored or just gross :/
Grout Sensation and Grout Brush at Ace Hardware! Visit website for videos! Kitchen and bathroom tile floors can be cleaned in as little as 10 - 15 minutes! * Pour on grout lines * Brush grout lines * Mop 2-3 times with water = New looking tile floor! Then... You can keep your grout clean by doing this...Pour 1 cup of Grout Sensation in a bucket of water and mop your tile floors every 1 - 2 weeks depending on foot traffic. Your tile floor grout may never have to be brushed again!
Homemade Grout Cleaner Safe Non Toxic - 7 cups water; 1/2 cup baking soda; 1/3 cup lemon juice; 1/4 cup vinegar - mix all together in a bowl or bucket; use toothbrush to apply to grout and scrub clean; use dry washcloth to wipe up excess