spa jet

I am redoing my spa plumping. Previous installation the air pipes where so high up, they had to make 2" step around the spa to hide the air piping. Since I am remodeling, I am thinking of putting air pipes below water pipes. Instructions says the air connections (spigot) should be facing up. I...

Hello. Brand new pool just finished (owner build). We just got our spa jets hooked in and noticed a gurgling sound at the equipment pad. Enough to notice while in the spa about 60 feet away. Pentair vsf running at 2500 in this video: Is this a normal sound? Can it be reduced?

In the process of building our pool/spa. Thoughts on standard 1.5” wall fitting & 1.5” spa jet w/ blower vs. the larger 2” & 2.5” Venturi systems?