flow control for pumps

Hello I recently set up my first saltwater aquarium and I’m having issues with my flow pump. While cycling the tank my flow pump was blowing the sand around my tank enough that it was causing it to pile up and even have bare glass in some places. When I added my first fish, a pair of clowns...

Hydros Wave Engine V2 for sale. I used this with two Maxspect 350 Gyres and a Reef Octopus Octopulse 4. Setup and control is super easy and there are multiple flow modes. The only reason I am selling as that I have an odd-shaped tank and couldn't get the flow patterns I wanted so have...

I am selling a brand new Hydor Koralia Wavemaker Dual Pump Controller and (2) Hydor Koralia Pumps 3250 gph. (These are the big boy Wavemakers , lot of water movement) Hydor Koralia Magnum 8 These are all brand new in original boxes . I got them for a build I never did , so I am looking to move...

I currently have a 310 gallon mixed reef with the sump under the tank. Based on a number of reasons, I want to move this to a remote location (climate controlled garage closet). I cannot use gravity from the tank to the sump for water flow as I have to plumb up and down over a 9ft door and about...