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Shayla

Help with struggling plants

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Hi all, 

This is our first tank, 45gallon, freshwater, fluvel 305 filter, Carib sea Flora max gravel, 2 airbubblers, Fluvel LED freshwater light set at a mid brightness (it’s on a dimmer so hard to give actual amount) - 8hrs white light, 2hrs blue, planted with; Anubius, crypts, swords, java fern, blue strictor, baby tears, pearl moss. 
Stocked with;3 yo-yos, 3 Rams,6 Congo tetras, 3 SAE, 1 bristlenose, 2 Angels.  
Water parameters; 
Amm 0ppm
Nitri 0ppm
Nitra 40ppm
Ph7.5
Temp 26 
25% h20 change with prime added weekly 
Pro fito Fert used as needed at half strength (no more than once weekly) 

My husband has been watching the plants carefully, the crypts leaves had started to go a browny grey washed out colour, the swords had started to develop brown dots (?light burn), tips of Java look glassy - so we fertilised 1/2 dose and dimmed the light slightly 2 days ago.  Today the anubious leaves have started curling, the crypts and swords leaves are slightly wavy, the new leaves on the swords are going translucent, and the crypts are going dark. 

Please see photos attached - NOTE-  that my iPhone camera is saturating all the photos, the plants are not that green lush looking in real life they are more of a yellowly, washed out green, some leaves on the crypts are almost browny green.  


We are at a loss? More fertiliser? Too much? Do we need to add Co2 ?
Any help to get this tank looking healthy would be great. 

TIA Layla and Shane 

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A few thoughts.  

Plants have three needs.  Fertiliser, CO2 and light.  If these are out of balance then you get algae or growth issues. If you increase one you need to increase all.  

With fertilisers, iron does not last long in the water column.  This is the reason you will notice the recommendation is does daily at 1/7 the weekly does.  

Crypts can melt when moved.  This is not unsurprising.  Are you getting new growth.  The same with swords as they can be supplied with erersed growth.  This means that they have to drop these leaves and grow there submerged leaves.  

Why have you dimmed the lights.  I see no algae signs?  The same with half dose of fertilisers.  

I would suggest add CO2.  Look up DIY CO2.  

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How long since you planted the tank? Quite often plants will go "backwards" if their environments are changed and may take weeks to recover. Don't give up hope. I would cut down the ferts to once every fortnight until things recover. Over- feeding fish can also be detrimental to plants.

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6 hours ago, gingerbeer said:

Why have you dimmed the lights.  I see no algae signs?  The same with half dose of fertilisers.  

Thank you for replying 

The leaves developed brown patches that looked like they where ‘burnt’ from the light.  

I read that it was better to underdose the fertiliser than overdose and that I should only add 1/2 the recommended amount. 

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2 hours ago, bluebelle said:

How long since you planted the tank? Quite often plants will go "backwards" if their environments are changed and may take weeks to recover. Don't give up hope. I would cut down the ferts to once every fortnight until things recover. Over- feeding fish can also be detrimental to plants.

The crypts and Java fern where the first plants we planted around 7weeks ago, the anubious and the swords have been in there around 3 weeks 

 

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