I removed my light to clean behind it (algae). Now I can't get it back in. Its been sitting on the side of my pool for 2 months now. I am having trouble trying to keep my body from moving while holding the light down (it wants to float up) AND aligning the screw all at the same time. Any tips to make this easier? Is there anything that I can attach here to make this easier? Maybe make it a magnetic install?