20 gallon fish only .... ?

[Yusuf]

Can i run a 20 gallon fish tank with only a [h=1]Reef Octopus BH1000
Hang-on-the-Back Protein Skimmer[/h]
??

 

[VicD81]

If you are going to do HOB might was well get a cheap HOB filter and throw in some carbon to compliment the skimmer.

 

[Intricateart]

The key will be water changes. Make sure you have a steady hand when you measure your salt out, because fluctuations in that size tank would be problematic.