First time adding a fat sac and pump

[dboat]

I got a good deal on a Fly High Tsunami pump and Pro X Series 750 lb fat sac. I'm planning on puting it in the rear next to the engine compartment. I am thinking I will manually plug in the pump to inflate/deflate each time I board. I plan on deflating it after each use.
I have a Maristar and am looking to add more weight to 1 side to surf and wake board.
I would like to know if anyone has started out this way, adding a sac without a factory ballast system.
What do you think about the set up?
Comments on your set up or my idea is greatly appreciated.
Would you go a different way? Or just scrap the whole thing?

[Trig2275]

For surfing just throw it in the rear locker for whatever side you want to surf however you'll probably need a little more weight overall. For wakeboarding either lay it across the back seat or on the floor in front of the rear seats. Keep it centered. Have fun!


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[ap77]

Filling up manually is a great way to start. We plumbed in our fat sac after the first season of filling it manually. Ended up ordering a different fat sac for the rear compartment (perfectly sized for it) and still use the original one for the rear seat for extra weight. Note: Make sure you fill up your stock ballast first (if you have one) as the weight of the fat sac can cause damage to an empty stock ballast underneath it.