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Below space some rough guidelines as to what to expect once looking in ~ aquariums and also empty vs full weight. The weights room an estimate since the quantity of rock, thickness the glass and form of water all impact the load calculations. A gallon the freshwater at a particular gravity the 1.000 weighs 8.34lbs. 1 gallon that water 8.34lbs time the certain gravity of to speak 1.025 equals 8.5485lbs (8.43 x 1.025 = 8.5485) The weight of the water will increase straight proportionate come the load of the salt being liquified in the water. 1 gallon of saltwater at 1.025 equates to 8.54 lbs.

 SMALL AQUARIUMS Tank Size L x W x H Empty Weight Filled Weight 2 1/2 gallon 12" x 6" x 8" 3 lbs 27 lbs 5 gallon 16" x 8" x 10" 7 lbs 62 lbs 10 gallon "Leader" 20" x 10" x 12" 11 lbs 111 lbs 15 gallon 24" x 12" x 12" 21 lbs 170 lbs 15 gallon High 20" x 10" x 18" 22 lbs 170 lbs MID-SIZED AQUARIUMS Tank Size L x W x H Empty Weight Filled Weight 20 gallon High 24" x 12" x 16" 25 lbs 225 lbs 20 gallon Long 30" x 12" x 12" 25 lbs 225 lbs 25 gallon 24" x 12" x 20" 32 lbs 282 lbs 29 gallon 30" x 12" x 18" 40 lbs 330 lbs 30 gallon Breeder 36" x 18" x 12" 48 lbs 348 lbs 40 gallon Breeder 36" x 18" x 16" 58 lbs 458 lbs 40 gallon Long 48" x 12" x 16" 55 lbs 455 lbs LARGE AQUARIUMS Tank Size L x W x H Empty Weight Filled Weight 50 gallon 36" x 18" x 19" 100 lbs 600 lbs 55 gallon 48" x 13" x 21" 78 lbs 625 lbs 65 gallon 36" x 18" x 24" 126 lbs 772 lbs 75 gallon 48" x 18" x 21" 140 lbs 850 lbs 90 gallon 48" x 18" x 24" 160 lbs 1050 lbs 125 gallon 72" x 18" x 21" 206 lbs 1206 lbs 150 gallon 72" x 18" x 28" 338 lbs 1838 lbs 180 Gallon 72" x 24" x 25" 430 lbs 1870 lbs 225 Gallon 72" x 27.5" x 27.5" 358 lbs 2158 lbs