What try on brand new boat if ballast isnt filling??
 

On our maiden voyage yesterday 2 of my ballast are working.. After turning pumps on we never get overflow.. And then when emptying nothing comes out..

Its new.. What should we try first?

It feels like they just arent priming

Dumb question but are the valves open? If they are open you might just have an air lock. Try filling at 15 or 20mph and force the air out. Fill them for 30 sec and then empty while at speed. After that they will be primed at should be good.

Valves are open.. I will Definately try the second suggestion

What kind of boat? Are they impeller driven or aerator pumps? I’d feel each pump to make sure they’re running. If not, I’d get a multimeter on each pump and make sure you’re getting voltage. If you’re not getting voltage, I’d check fuses and then the wiring. If they’re impeller-driven there’s nothing to prime but the impellers may be worn out. I’d still confirm you’re getting power to the pumps first. If they’re aerator pumps the above post’s recommendations should work.

I bet the just have an air lock if the valves are on. I trailer my boat a lot and don’t usually close the valves. I’ll notice the bags fill with air a little bit after trailering. Sometimes I get an air lock in my bow bag and it won’t fill at first. I just have to get up to wakeboard speeds and turn on the fill for 10-30 seconds. I’ll turn on the empty after that and if I see what coming out the side I know it’s primed back up and will fill. Usually just a quick fill and dump and the air is gone.