Plants "Melting" in high tech tank. Need help! - The Planted Tank Forum
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post #1 of 10 (permalink) Old 01-05-2018, 11:33 PM Thread Starter
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Question Plants "Melting" in high tech tank. Need help!

Hey all! I recently bought a new 75 gallon aquarium. I think everything seems in order but I am not that sure why the plants seem like they are melting. Here are my stats. Feel free to ask any questions about the tank that I have not provided. Thanks!

A little background:
  • 75 gallon tank
  • Tank is about 3 weeks old
  • No fish have been in the tank, just placed assassin snails in today to combat about 10+ pesky snails I got with the plants
  • Water change every 3 days for the first 2 weeks of the startup, now switching to every 5 days. Last water change was last night
  • Water temp 78 degrees
  • 8 hours of lighting a day (starting to see slight algae form)

What I have:
  • ADA powersand L bottom 1-2in
  • ADA amazonia substrate 2in
  • ADA fertilizers
  • 2x finnex Fugeray planted + lights
  • GLA inline co2 1 bubble every 2-3 seconds
  • "Thrive +" brand fertilizer dosed every other day
  • Fluval 406 w/ course sponge--> bioballs taken from cycled filter--> Fine micron aquarium padding
  • Hydor 825gph circulation fan

Any ideas? Thanks again for the help!
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post #2 of 10 (permalink) Old 01-05-2018, 11:45 PM
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Get a liquid testing kit to check for ammonia and nitrates. Amazonia soil leeches out a ton of ammonia which can cause melting. It's either that or you plants are just dropping their old leaves as they transition to either new conditions or submerged growth. Your new growth looks pretty healthy though.
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post #3 of 10 (permalink) Old 01-05-2018, 11:47 PM Thread Starter
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Thanks for the help, I have a kit ill give it a test in couple and get back to the forum. Never thought of that to be honest
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post #4 of 10 (permalink) Old 01-05-2018, 11:53 PM
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Originally Posted by kmanson2 View Post
Thanks for the help, I have a kit ill give it a test in couple and get back to the forum. Never thought of that to be honest
When I started my tank with amazonia and tested the water for the first time it was like 10 ppm of ammonia, but you have a much taller tank so you may not have that issue.
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post #5 of 10 (permalink) Old 01-05-2018, 11:54 PM Thread Starter
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Justice thank you so much for your help. My ammonia is OFF THE CHARTS (btw 6 and 8). What would you suggest? Multiple water changes (2 50% now) and then every other day?
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post #6 of 10 (permalink) Old 01-05-2018, 11:56 PM
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Quote:
Originally Posted by kmanson2 View Post

A little background:
  • 75 gallon tank
  • Tank is about 3 weeks old
  • No fish have been in the tank, just placed assassin snails in today to combat about 10+ pesky snails I got with the plants
  • Water change every 3 days for the first 2 weeks of the startup, now switching to every 5 days. Last water change was last night
  • Water temp 78 degrees
  • 8 hours of lighting a day (starting to see slight algae form)
If this is a new setup with ADA AS then you should've done:

-Daily 50% water changes for the 1st week, every other day 2nd week to drop ammonia and reduce risk of algae
-Start off with a 4-5 hour photo period for 1st few weeks until things seem to be going in the right direction.

Without these two things you increase change of melting, algae and other issues.
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post #7 of 10 (permalink) Old 01-06-2018, 12:01 AM Thread Starter
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Thanks House ill be sticking to that from now on, luckily I think I caught it in time before real damage has been done
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post #8 of 10 (permalink) Old 01-06-2018, 12:17 AM
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Thanks House ill be sticking to that from now on, luckily I think I caught it in time before real damage has been done
Sure no problem. Just keep up with water changes. Give the plants what they need. Usually with aquasoil I only dose Potassium and micros for the first 3-6 months since there is so much stuff in the aquasoil, but the other stuff shouldn't hurt.

If you have strong light or two lights I would only run the strong intensity or one light for only 2 hours or so. co2 also let's you get away with less light. But the 2 hours of strong light will cover you if you have light demanding plants.
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post #9 of 10 (permalink) Old 01-06-2018, 12:38 AM
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Originally Posted by kmanson2 View Post
Justice thank you so much for your help. My ammonia is OFF THE CHARTS (btw 6 and 8). What would you suggest? Multiple water changes (2 50% now) and then every other day?
HouseOfCards has the answer pretty much covered for the plant portion. I would do a few big water changes and bring it down to 2-3 ppm ammonia, and then leave it to let it cycle while your plants establish. Once your ammonia and nitrites are down to 0 and your nitrates start rising you can do a big water change to get nitrates down to 20 ppm (for fish) or 10 ppm (for shrimp and other inverts). Do you have a plan for stocking yet? You've got a lot of room to work with.
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post #10 of 10 (permalink) Old 01-06-2018, 01:54 AM
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Definitely water change s the way to go. But ur plants may not be helping with removal of ammonia as they r not growing well. That wud also explain the melting. Plant health may be due to low co2.. 1 bubble ever 2 seconds s not enough. U got Ada leaching out tons of nutrients and u got strong lights but not enough co2 to support. Yes the beneficial bact in the filter will take care of ammonia conversion but good number of healthy plants also help cycle faster. And u can add more plant mass.

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