Yet another Monte Carlo woe - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 06-23-2020, 04:04 PM Thread Starter
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Yet another Monte Carlo woe

I have Monte Carlo covered in my tank.
It started out and grew green and thick.
Then I trimmed it a couple times. And I tried
vacuuming it to clean up some debris. It now
has turned color and is not rebounding from the
trim. The leaves have darkened and gotten much
smaller. I dose EI method and put GH booster back
in after water changes. EI = 1/16 teaspoon for nitrate
phosphate and po4. I upped it yesterday. 40 gal tank.
Light period 7 hrs. and Co2. The left side gets more Co2
than the right. I am going to do more frequent water changes.
What else can I change. Where is the defficiency.

Thanks!
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post #2 of 6 (permalink) Old 06-23-2020, 04:36 PM
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How long are we talking here after the trim? Mine takes anywhere from a week to 2 depending on how aggressive I mow. And I suck dirt out every week. Whether I trim or not.

Do you know what your nitrate levels are? And you said you dose a Gh booster but do you know what your gh is at?

Are you dosing micros at all?

How do you measure co2?

With that small of a diffuser in a 40gal my first guess would be co2 issues?

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post #3 of 6 (permalink) Old 06-24-2020, 06:02 PM Thread Starter
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Did some tests

Ammonia 0

Nitrate 20 ppm.

GH 0-30 ppm.
1 drop to turn orange

I don't have a test to test C02, but I suppose I could get a bigger diffuser.
I do EI every other day
K2SO4
KNO3
K42PO4
and
CSM Plantex every alternating other day
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post #4 of 6 (permalink) Old 06-24-2020, 06:31 PM
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So you add Gh booster but your Gh is 30 ppm?

Something might be up with your test results but if those are good than your Gh is way too low. Needs to be minimum of 90ppm or 5 dGh. I'm at 143 ppm / 8 dGh these days. How much Gh booster do you add? If you add any than your tap. (or do you use RO?) water is really soft, lol! Or you test is inaccurate.

As for co2, it might be worthwhile to figure out where you are at. There's no perfect method but I prefer pH drop as an indication of co2 concentration. Just measure pH of fully degassed tank water (leave out for 48hrs, less if you aerate with airstones). Then measure pH of tank water after co2 has been on for awhile, atleast 2 hrs. You are looking for somewhere around a 1.0 pH drop from fully degassed to full co2. I'm at 1.2 these days.

I'll also mention that I have to clean/sand the top of my diffuser about once a month or 2 to keep good co2 flow.


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post #5 of 6 (permalink) Old 06-26-2020, 04:41 PM Thread Starter
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Thanks for the clarity and suggestions.
I will test and look into it. I ordered a larger
diffuser, to give it a go. I do use ro water for
my changes. I am thinking about 75% ro and
25% tap just like my discus tanks. That would
add gh right? Is the test for gh to show a sharp
orange color or a faint orange color. Cause maybe
I have an inaccurate test result.

I just did another test for gh.
It looks like if I added more drops
the tube got a noticeable orange color.
So maybe 3 to 5 drops was good. That would
be close to 90 ppm. correct?
I do a 50% water change on my 40 gallon.
And add two teaspoons of gh booster.

Last edited by Darkblade48; 06-26-2020 at 09:05 PM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #6 of 6 (permalink) Old 06-26-2020, 07:27 PM
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I've only used API test kits and those turn green to indicate Gh level. Not sure about test kits that turn orange.

And it depends on what you are using for your booster but typically the dose is around 1 Tablespoon per 20gallons to raise the Gh by 1 dGh (17.9ppm).

So for example, if you use Seachem Equilibrium you would need 5 Tablespoons for your 20gal water change to get to 90 ppm. Salty Shrimp GH+ is slightly less as they recommend using their 3g scope.

And that's just to get to minimum. I would recommend going higher than that.

As for mixing 75:25 with tap, a lot of people do that. You should do acouple test batches though so you can adjust the ratio to get to that 100-140 ppm range.

I will say that the main point of using RO water is to remove the nasties and unknowns in tap water. Many municipalities put chemicals in to protect pipes and teeth not to mention all the stuff that leaches out of ground and pipes. Mixing in tap to RO would defeat that purpose. But if the purpose of using RO is just to deal with extremely hard water than no worries :-)


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