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.
For reserve duty... The maximum age to enlist is age 39. For a reserve commission, the minimum age is 21 and maximum age is 36 years old; however, a waiver may be granted for applicants with prior military service (up to age 39). The Officer Candidate School (OCS) minimum age is 21 and maximum age is 26 years old. 2  However, applicants with prior active duty service in any military branch may exceed this age limit by the number of months of service (not to exceed age 31).