Hello I want to buy some altcoin on bittrex.

I can not find a way to make a EUR deposit, can we only send crypto-currency?
Thus i wanted to send bitcoin from my kraken account but the fee is very high ! 1mBTC!
Therefore I am wondering what if I send ripple to my bittrex account then sell them for BTC on bittrex and buy the coins I want , what do you think?