It is a pretty fast & simple materials to DIY a light pole/bracket for your aquarium light to a suspend type, first of all need to buy some materials from hardware shop:
1.) L1800mm~2100mm shower curtain rod - RM15.90 (approx US$4.95)
2.) L900mm~1200mm shower curtain rod - RM12.90 (approx. US$4.00)
3.) Curtain wire from IKEA - RM19 (approx. US$5.90)
4.) U shape plastic clip & holder 2 sets - RM2.00 (approx. US$0.65)
5.) Metal wire robe clamp 2 nos. - RM1.80 (approx. US$0.55)
6.) PVC T join for plumbing - RM1.50 (approx. US$0.45)
In total spent of RM52.05(US$16.50) to DIY it. How to make it? From the photos below tell more than words.
join 2 metal rod with this PVC T join. (My cousin complained it does a bit ugly look, but no other parts can replace it at the moment.)
Curtain wire set included this metal wall fitting from IKEA, screwed it on the aluminium light case.