3a : to place or invest in such a manner as to make unavailable for other purposes their money was tied up in stocksb : to restrain from normal movement, operation, or progress traffic was tied up for miles. 4a : to keep busy was tied up in conference all dayb : to preempt the use of tied up the phone for an hour.
A 20-gallon tank is the minimum tank size for a reef or saltwater tank. Although it may be harder to maintain than a bigger tank, it is possible to create a saltwater tank using 20 gallons. Be mindful of the fish stocking to ensure that too many fish do not over-pollute the system.
Traditional, tank-style water heaters are large metal cylinders that keep hot water stored and on reserve for when it may be needed. Since they typically range in capacity from 40 to 60 gallons and are generally about 60â³ tall by 24â³ wide, they are often installed in a basement or laundry room. Related.