Sometimes you may experience foam in your hot tub. There are many things that can contribute to foam. Don't fret, foam is a common enough occurrence and can be dealt with especially if you regularly maintain your hot tub. There are products on the market that deal with foam and will reduce the bubbling foam.
There are technically no specific age requirements for soldiers seeking to become Army Rangers. Thus, the effective age limits are the same as those required to join the Army in the first place. Applicants must be at least 17 years old (or 18 without parental permission) and no older than 41 years old.
Ranger School. Ranger School is one of the toughest training courses for which a Soldier can volunteer. Army Rangers are experts in leading Soldiers on difficult missions - and to do this, they need rigorous training. For more than two months, Ranger students train to exhaustion, pushing the limits of their minds and bodies.