"Drink juice so long as it does not have any foam."  

اشْرَبِ الْعَصِيرَ مَا لَمْ يُزْبِدْ  

"I asked Ibrahim about juice and he said: 'Drink it, unless it bubbles, so long as it doesn't change.'"  

اشْرَبْهُ حَتَّى يَغْلِيَ مَا لَمْ يَتَغَيَّرْ  

He said, concerning juice: "Drink it unless it is bubbling."  

اشْرَبْهُ حَتَّى يَغْلِيَ  

"Drink it for three days unless it bubbles."  

أَنْ يَغْلِيَ