i wouldnt mine there. i only got half my coins as well. known scam pool.
list of known pools.
http://pool68.net
https://umine.org/
https://pool.minertopia.org/
http://newcoin.sopool.us/ *SCAM POOL*
http://pool.denarius.name/
https://cryptohub.online/pools

hope this helps.

Please spread the hash. only a couple of the pools in this list have a huge hashrate. the rest are pretty low.