Depends on the thickness and density of the specific wood and how the weight of the aquarium is distributed. Contact the builder for a better answer to this question.
I would use 4"x 3" timbers.
From personal experience, a 40 lb. bag will fill a five gallon pail heaping and spilling over a bit. So, a five gallon pail will hold approximately 35 pounds of wood pellets flush to the top.
About $80 to rent a floor sander and polyurethane is about $25 a gallon. So depends on how big of an area
A laminate wood floor product is better since it uses less actual wood that an all wood floor does.
you can.
Three-hundred liters is a little more than 150 gallons. A gallon of water weighs about eight pounds, so if you filled the tank with water, the water would weigh a bit more than 1200 pounds. Add to that the weight of the tank itself, and you have a lot more than 1200 pounds. That is too much weight to put on a wood floor unless the floor is laid on a concrete foundation.
wood
Absolutely.
Wood is wood.
wood floor
A floor made out of wood.
Floating Installation This method the floor floats over foam cushioned padding.