Â· Modern Use. Today, basalt is used to a lot of things. Most common use of. is as aggregates. Basalts that are crushed are used for construction purposes, like asphalt paving, concrete aggregate and rock filtering agents. Basalts are added as aggregates to increase strength to concrete. Modern Use. Today, basalt is used to a lot of things. Most common use of. is as aggregates. Basalts that are crushed are used for construction purposes, like asphalt paving, concrete aggregate and rock filtering agents. Basalts are added as aggregates to increase strength to concrete.
Typical filtration cycles are four hours, twice per day (for hot tubs operating a single or two speed pump). Reducing the cycles to 3 hours twice per day will save water pumping energy. These circulation times should be set for off-peak hours. (Some hot tubs have small, low wattage circulating pumps that run 24 hours a day. Typically these draw less energy than a 100 watt light bulb.
1. Once every two weeks, you should rinse the hot tub filter thoroughly to remove debris such as skin, hair and leaves. Once every two months, a more involved process is required to remove oils that are saturating the filter and causing a restriction in the flow of water through the filter.ips. 1  Instead of buying filter cleaner from a specialty store you can use automatic dishwasher detergent to clean your filter. 2  Try using a new plastic garbage pail for soaking of larger hot tub filters.