News for hackers. Stuff that matters.

A comment on A sealed bottle garden thriving after 40 years without fresh air or water. Parent comment

Re:A sealed bottle garden thriving after 40 years without fr... by bronson on Friday June 06, 2014 @01:44PM (#7859307)
This is a great GREAT point.

It would be nice to hear an explanation.

[ Parent | on HN ]
Re:A sealed bottle garden thriving after 40 years without fr... by ceejayoz on Friday June 06, 2014 @04:10PM (#7860052)
Magnetic scrubbing brushes. They're commonly used in aquariums.
[ Parent | on HN ]