Quote:
Originally Posted by Twilly
In the video posted above, there is nothing to circulate the water under the floating plants... Wouldn't some air stones or a pump help to move the water around and increase the oxygen levels? |
That point was brought up on another site and an Email sent to ask about it and here's what was sent back
Mr. Hochmuth says:
"The aeration occurs in the root zone above the water level. So, the tip of the root ball touches the solution and the rest of the root ball must stay out of the solution. If the root ball stays too wet, it will not work as well."
A hearty thanks to Mr. Hochmuth for his timely and informative answer.
I have to admit that I missed that explanation in the video. It makes perfect sense that the majority of the root ball is suspended *over* the
nutrient solution and not *in* it.
The part touching the solution wicks the moisture up into the rest of the root ball.