i have a malibu wakesetter 23 lsv with factory ballast and no fat sacs. For wakesurfing do i need fat sacs to get a good wake? If so, how much weight do i need? How many sacs? Where do i put the sacs

Colin, I have a 2003 VLX (21') and just fill the tank on the appropriate side along with the midship tank. Put everyone on the weighted side (about 3 people) and get a decent wake. No additional weight. Also put down the wedge run about 9.8 mph to 11.5 mph depending on how the wake looks to ya.

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More weight is best but we still surf with only 3 people on my boat sitting on the side the person is surfing on with that tank full. I have found that I get the best wake by throwing weight in my back locker around 400 lbs or more makes the wave taller and easier to ride without the rope

I gotta '98 Moomba Mobius. any idea how much I will need? It doesn't have any stock ballast, but i got 1 sac, like 250, and my dad just ordered one like 680 to take place of the back seat... Thanx