Randy,I value your opinion very highly and would love to know what HOB skimmer i should get for my 45 gallon reef tank?I currently have a CPR bakpak which is not doing its job.It is just pulling out green water no matter how i adjust it .Please help me.My fish load is ;1pj cardinal,1 clown goby,4 blue chromis,1gramma,1 possum wrasse,and various hard and soft corals.I have been fighting algae problems.i am currently using distilled walmart water for water changes as i cant afford a ro-di sysytem. Thank You for your time,Randy