On Fri, 11 Jul 2003 10:23:25 -0400, "Sam Hopkins"
wrote:

Yellow plants mean no iron in the water.

I believe yellowing pond plants can be caused by a lack of several
things, potash, magnesium, nitrogen to name the ones I'm familiar
with. Never benefitted from adding iron to the pond.
Hal

Even with all those things in the water a high pH can suppress the plant
from being able to uptake them. ~ jan

See my ponds and filter design:
http://users.owt.com/jjspond/

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
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