"Philippe Lemaire \(remove oldies\)" wrote in message ...
This time even the lower level tops got crimpled...

What can it be ?

Too little K (finally lowering at 35 mg/l) ?
Too much NO3 (about 30 mg/l) ?

Regards,

Philippe


No, it's not too little K.
Some tanks have had high NO3 as well.
Consistency maybe part of the problem. Good CO2, NO3, K, PO4, GH,
traces will help most all plants grow well. IME, Eustralis loves NO3.
I would make sure to question the test kit. Do large water changes
andf dose KNO3. Find out what the NO3 level is in you tap, consider
the amount N coming in from you fish load also.
If it does not add up to the test kit numbers, you have a problem.

I think NO3 going too low causes issues for many people, especially at
higher light. Same for CO2.

Regards,
Tom Barr