[Kaen130]

Hi all

Have something to consult you...

I have been trimming the top of my Ludwigia Acruata, Cabomba and Rotala Roundifolia regularly.

A while back I noticed the new stems are getting thinner and thinner

And very recently I noticed the stem of my Cabomba is rotting at the based near the soil and my Ludwigia Acruata is detaching itself from the soil...

Have u experienced this before?

Is it norm when the top get too dense? Is this a sign I have to remove the existing and replant the top?

Or Is it nutrient from Aquasoil is depleting (abt 6months only) Or my CO2 is insufficient?

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[bsantucci]

Yes this is normal. You can usually get away with 2, 3 toppings max. After than I generally pull bottoms and replant new healthy tops.