Looking for some help - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 07-01-2019, 01:50 PM Thread Starter
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Looking for some help

Good morning,

Thanks for having me. I am new to this forum. I have a new(er) 120 gal tank with 14 assorted rainbows, pleco and 4 corys. I have a variety of plants. I have added new ones with mixed results. Some have failed miserably, others have done well (mostly anubias, crypts, swords - in that order with success). I have two fluval lights, I use CO2 via a tank. My water parameters are pretty consistent. My Ph is lower than I'd like - usually around 6.6 - 6.8. KH and GH usually around 8. No ammonia and nitrates are usually pretty good. I do about 40% water changes weekly. I dose with Thrive 1 - 2 times a week and use Oscomote fertilizer in the substrate (black diamond) every 3 weeks or so. It might be worth mentioning - my fish are doing great. Their behaviors are awesome. They all look healthy. I haven't had any fish sickness whatsoever in six months time.

Plant growth at times has been great and other times has fallen off. A few months ago - I did a filter cleaning (FX6) and the next day my plants struggled. I lost a ton of leaves from my plants. Most never rebounded. A similar thing happened a few weeks ago. When I introduce new plants - they often do great for 2-3 weeks and then struggle. Something is clearly off. Right now, I have some plants losing old leaves. I have a couple swords with leaves that are turning white. I don't want to introduce any more new plants until I have this figured out.

I don't know how to check for nutrient concentration. I am not sure my C02 is working well. My Ph is often low but when I use a C02 checker it almost never turns green. I would appreciate any pointers for what I should be looking for. I'd be glad to provide any additional information or photos if that would be helpful too.

thanks all.
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post #2 of 3 (permalink) Old 07-01-2019, 04:00 PM
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Picture of whole tank showing position and setup of filter and gravel depth/ornaments in tank would be of great help,

Actual dosage amounts your using for thrive? If your doing recommended amounts deficiencies shouldn’t be a problem.

How are you controlling and what are co2 cycles? What about CO2 diffusers/reactors?

What are stem plants that are losing lower leafs? What are actual phosphate and nitrate readings in ppm?
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post #3 of 3 (permalink) Old 07-02-2019, 01:38 PM Thread Starter
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Hi Dave,

Thanks for the reply. Answers to your questions are below. I attached 3 photos as well.

1. I dose 12 pumps, 2x a week, maybe every five days. 1 dose for every 10 gallons - consistent with the directions
2. I have a CO2 tank, with regulator, set at right around 40PSI. One to two air bubbles per second - give or take. I use the NiloCG Atomizer A lot of my bubbles do rise to the surface. At the same time, when I do a water change and move substrate around, I release a fair amount of CO2 trapped in the substrate - so I think it's getting dispersed well. I have it on for one hour before the lights and it shuts off one hour before lights shut off. Lights are on for about 8 1/2 hours so same w CO2. My Co2 checked rarely turns green but my Ph is low and my KH and GH are not that high so I am afraid to run it harder. Maybe i need to position it better? I don't know.
3. Nitrate reading is typically around 40ppm. I dont test for Phosphate but I am guessing i need too.
4. I've had jungle Val stems fail. I've had hygrophilia do real well then suddenly go south and shed a ton of leafs. My ludwiga was doing great then poof it fell apart. I have red swords that are thriving but I have other swords that the leaves are turning white. I have anubias, a few swords and crypts that have done well.

So Confused on why some plants are thriving and others are not. I know something is off - just not sure what. Thanks again for any help.
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