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.
Somehow the Samadhi Tank seems to take up very little space, especially for something so big. The tank is approximately 4'x 8' (120cm x 240cm) and requires a space of approximately 5' x11' (I 50cm x 33 5cm). The rectangular shape blends into its surroundings surprisingly invisibly and you can use the space over it for a bed , shelves or a display.