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.
For our example, if your pool has 10,000 gals of water and your current salt level is 500, you need to add 250 lbs of salt. If you don't know the number of gallons in your pool, see the first steps of How To Size a Pool Pump. for instructions.ravis-You will need to add 150 lbs of salt for your 5,000 gallon pool to go from a 0 ppm to 3500 ppm salt level. Since fresh water has some small level of salt to start with, I would add three 40 lb bags (120 lbs) first, let it dissolve over 24 hours, check salt level again, then add half a bag or so if required.