Flow seems wrong with Aquarim, Jellyfish hardly moving

[ShaneOUK]

Set up my Cubic 20 with 3 Jellyfish but they seem to get 'stuck' in a no flow area. Have I set this up wrong ? The flow around the edges seem fine. The small one will often go around the edge but the other two get stuck here often
Advice needed ?

https://www.facebook.com/ShaneOsborneUK/videos/o.147950371902370/10155944423825949

 

[Oscaror]

Set up my Cubic 20 with 3 Jellyfish but they seem to get 'stuck' in a no flow area. Have I set this up wrong ? The flow around the edges seem fine. The small one will often go around the edge but the other two get stuck here often
Advice needed ?

https://www.facebook.com/ShaneOsborneUK/videos/o.147950371902370/10155944423825949

Welcome to R2R! I don't know much about the Cubic 20, what drives the flow?

 

[hart24601]

I never had that problem on my cubic 20, have you tried playing with the valve to adjust the flow power after the little powerhead?