nicehash just $20? with 3 antminer with almost 60ghs DASH

[gabakusa]

hi guys
I bought 3 powerful antminers
one is the ibelink 22ghs
2 antminers d3 about 19ghs each
and I m getting just $20 daily lately, should I change pool? or the difficulty is so hight that I cant make almost any money?
thank you in advance

here a screenshot

https://s1.postimg.org/82p2jdn427/Screen_Shot_2017-11-07_at_08.58.55.png



Status   Worker name   Algorithm   Speed   Uptime   Location   Check every   
1   
ACTIVE
D3   X11   20941.64 MH/s   340 min   USA      
2   
ACTIVE
ibelink   X11   21759.67 MH/s   340 min   USA      
3   
ACTIVE
mariano   X11   22585.42 MH/s   340 min   USA