probably 75 dollars
The SpG of a 75% Phosphoric Acid Solution @ 20C is 1.579.SO ...1.579 X (8.33 lb/gal of water) = 13.2 lb/gal.
Two Hydor Koralia 3 Power heads are needed to keep the proper current flow in a 75 gal. saltwater reef tank.
Empty, probably around 30-50 pounds (guessing) -- Full with ONLY water, it will weigh about 850 pounds. Full with water, gravel, and decorations, it will weigh more.
75 Liters 19.8 US gal 16.5 Imp gal
Only baby RES can be housed in a tank that small. But, for many you can keep in there, I'd say two baby RES. But, do realize that you will need a bigger tank, because a full grown male will need a 75 gal, and a full grown female will need at least a 120 gal. If you can't afford this you can always get a stock tank or a plastic container bigger than 55 gallons.
Divide 60 lbs of solvent by 75 gal of paint to find how much solvent per gal of paint, then multiply by 90 to find how much solvent you need for 90 gal of paint: 60 / 75 = .8 lbs solvent per gal of paint; .8 x 90 = 72 lbs of solvent needed for 90 gal of paint.
It may weigh about 75 pounds
they weigh about 75-90 pounds.
75
closer to 75 grams
It may weigh about 75 pounds