We are coming across this question more and more now a days, the question is hard to answer to be honest. There are a lot of quality DIY tile cleaning and grout cleaning products out there that you can pick up from your local Home Depot or Lowes and if not there you can find homemade cleaners all over Pinterest and other site. Most of them will do a great job but will require some elbow grease and a lot of proper neutralizing. Below I will give the positives and negatives to both DIY and hiring a professional, after that you should be able to make an educated decision on which way to go.
Understanding what type of travertine tile and the grade of it you have will help determine your overall care and maintenance.
Tile and grout is a big investment and proper maintenance is key to the longevity of your tile and grout, learn the top myths when it comes to your maintenance
Moving into a new home, learn how to protect your tile flooring from damage.
Topical sealers are one of the worst things that can be applied to your travertine flooring, they are not designed to adhere properly and end up looking very bad in a short amount of time.
Travertine tile is a porous calcium based stone, this means it stains and etches easily if not regularly maintained. There are so many products and items that can damage travertine surfaces, learn to identify the stains and how to prevent them from happening.