Note: Be weary of rigs who state they only work with a specific pool.

Use one of the high difficulty or Vardiff  Ports to the pools such as listed below: 
grlc.co:3334    0 Fee Vardiff port  
h36.nl:3333    0 Fee pool with vardiff that works
us.stratum.garlicpool.org:4444 
butterpool.com:3034
happy.garlicoin.fun:3213
pool.grlc-bakery.fun:3333      for the password put one of these: diff=4096   or:  diff=8192  or:  diff=16384
us.pool.garlicsoup.xyz:3333