X2 on water softener. Added an On the Go earlier this year along with an inexpensive in line filter it grab the sediment...that with a squee gee after each shower and DW doesn't have to clean but maybe once a month.
Hard water and sediment are the enemy, and, JMHO, must exist in every RV park nationwide:(
Dave and Beth
2015 Cornerstone 45J
2020 Ford F-150 Lariat