Thank you very much, it worked , then when you finish the ship and its sinking, I will do a video and I'll show

Hi, sorry but I do not speak English, so I'm using the google translator.
I have a question, or rather a necessity, I'm trying to make a sinking ship, and what occurred to me to do is to use a sphere with issuers, to simulate the water entering the boat, the problem I have is that spheres have to be heavy enough to sink the ship, but as I can not edit the density of emitters, I have no other choice but to drastically reduce the density of the boat and the water, but the densities become so low that affects much simulation.
My question is if there is any way that I can do to make the density of emitting more than 0.2, i try changing density in plugins / SketchyPhysics but did not work, or i do not know how.
Does anyone have any suggestions that I can do? also accept other alternatives, please answer, thank you very much, and again sorry for my English.