SteveKing88 Posted November 16, 2021 Share Posted November 16, 2021 I have two Cryptocoryne Wendtii Green that have taken a turn. I've had them for about three months. They initially went through the typical melt and them started growing into really nice plants. The first picture is from a couple of weeks ago. The second is from today. If it's not clear in the photos, today they look sort of wilted, darker green a kind of shinny. What could cause this? Water parameters measured today: Ammonia: 0 ppm; Nitrites: 0 ppm; Nitrates: 25 ppm; GH: 25 ppm; KH: 0 ppm pH: 6.4; Temp 77.5 F Link to comment Share on other sites More sharing options...
Gator Posted November 16, 2021 Share Posted November 16, 2021 @SteveKing88; All living creatures on this planet need iron, lack of iron may be your problem. 1 Link to comment Share on other sites More sharing options...
eatyourpeas Posted November 17, 2021 Share Posted November 17, 2021 Do you have root tabs under the substrate? If you put any, the three month mark is about the time where you'll need to replenish. As @Gator said, the lighter top leaves may indicate an iron deficiency. 1 Link to comment Share on other sites More sharing options...
SteveKing88 Posted November 18, 2021 Author Share Posted November 18, 2021 Yes, I did use root tabs. I will add more. 1 Link to comment Share on other sites More sharing options...
FiShrewd Posted November 18, 2021 Share Posted November 18, 2021 is it strange that my crypts did not melt On 11/17/2021 at 12:35 AM, SteveKing88 said: Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 18, 2021 Share Posted November 18, 2021 I think your GH is too low. I would start there. 1 Link to comment Share on other sites More sharing options...
SteveKing88 Posted November 18, 2021 Author Share Posted November 18, 2021 Thank you all for the comments. Do you think these leaves will perk back up with corrections to water chemistry and fertilizer? Or, should I prune them back and wait for new growth? Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 18, 2021 Share Posted November 18, 2021 I would keep them as is until new growth establishes. 1 Link to comment Share on other sites More sharing options...
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