Beamswork makes a fairly cheap gooseneck version but probably too much light for your needs.
Finnex makes one as well..
https://www.amazon.com/Finnex-FugeRay-Aquarium-Moonlights-Cliplight/dp/B00LIL7YPE
I have an older sibling on a 20 that grows stuff.. Nothing challenging though.
Finnex makes one as well..
https://www.amazon.com/Finnex-FugeRay-Aquarium-Moonlights-Cliplight/dp/B00LIL7YPE
I have an older sibling on a 20 that grows stuff.. Nothing challenging though.