twice as much

I drink twice as much water.

私は水を二倍飲みます

I drink twice as much water at home.

私は家で水を二倍飲みます

I make sure to drink twice as much water at home.

私は家で必ず水を二倍飲みます

I make sure to drink twice as much water at home each day.

私は家で一日に必ず水を二倍飲みます

I make sure to drink twice as much water at home each day these days.

私は最近家で一日に必ず水を二倍飲みます