Hygrophila problems
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Old 09-04-2013, 11:25 PM   #1
Vin
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Hygrophila problems


Hi everyone,

I posted before about my hygrophila difformis getting holes in its leaves:



So I never really managed to fix the problem. Now I also have a hygro polysperma in this tank. Both of these are now losing leaves near the bottom.

This is for the current set up on this 33g tank:
Lighting: Got a 30 inch Coralife ramp with two 18 Watts T5 bulbs. The ligthing is on 10 hours a day.
Ferts: I dose PPS-Pro daily 1.5 X the recommended dose. Got some root tabs in the crypts also. Been dosing recommended dose of Excel daily.
Substrate: Flourite black.

I do a 25% water change even though I probly don't have to.

Now I believe its a lighting defficiency as I understand Hygros might be a little bit too hungry for my set up.
Am I right in thinking so ?

Another potential problem could be the fact that I dose my ferts around 7 am when I go to work. The lights only come on at 11am. Does this change anything?

I was thinking of extending the lighting period to 12 hours per day. Thus having lights on around 9 am instead of 11am.

I was also thinking of augmenting the fert dose.

What do you guys think?

The answer might also be that hygros will not grow in my set up and I should just ditch them.

I would love some advice!

Thanks in advance!
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Old 09-05-2013, 04:44 AM   #2
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The pinholes could be potassium deficiency. the lower leaves can be attributed to low light, or lack of co2.
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Old 09-05-2013, 05:16 AM   #3
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That's crazy, I got some wisteria for my grandma's tank which I set up snd maintain, I only had four plants and the week I went back to do a water change, I propagated them and got 22 stems.

Now she has almost 50, her tank is a 20 long, two T5's one 10,000k and one actinic (I know but that's what she wanted)

Substrate is flora max capped with eco complete (I know it's weird too) and she doses with aqueon plant food only and no CO2.

The point is I don't think the light is insufficient, but it might be the potassium that's causing the pin holes

Try a few solutions until you can identify the problem, that's what I would do.

You should try turning the lights on when you use the ferts, and see if that makes a change.

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Old 09-05-2013, 11:29 AM   #4
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Besides the lack of potassium may also be lack of manganese
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Old 09-05-2013, 07:32 PM   #5
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So

I'm less scared of augmenting my lighting to 12 hours than the dose of ferts on a set up like mine.

I think i'll go for 12 hours of light with the ferts going in at 7 am and the lights coming on at 9 am.

Then after a couple of weeks if nothing changes (including no algae) I will up the dose of ferts.

What do you guys think ?
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Old 09-05-2013, 08:30 PM   #6
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That could work, you never know until you try.

Also I think my grandma's tank never gets the lights off, she uses the tank as a lamp I guess?

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Old 09-06-2013, 11:56 AM   #7
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So I just read about using epsom salt to boost Mg. I was wondering how do you know what amount to add ? and is it a potential algae growing ground if I get it wrong?
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Old 09-06-2013, 01:12 PM   #8
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There is a number of fert calculators that will tell you how much Mg is contained within a given dry measure of Epsom salt. The 'normal' Ca to Mg ratio plus the target ppm should light the way.

As far as that other thread goes, we keep forgetting that 80+ ppm of KNO3 does not necessarily mean that a tank is getting all it needs: if you run into a shortage of one element, the consumption of others stalls.

There is only so much meat you can eat without wine and there is only so much wine you can drink without meat. Please excuse the lame analogy.

In short, plants don't lie, regardless of what your API kit and the drop checker tell you.

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Old 09-06-2013, 03:29 PM   #9
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Yeah ok.

You convinced me to just play with my doses and lighting period untill I have what I want. At the worst the hygros go bye bye because I like my slow system
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Old 09-06-2013, 03:54 PM   #10
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I have another potential factor to consider!

Is it possible that the amazon frogbit I have in this tank are eating all the nutrients way before the other plants? and killing their light a bit ?

The whole surface is not covered and the frogbit gets pushed around in the current so no area is really 100% shadowed.
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Old 09-06-2013, 04:02 PM   #11
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Quote:
Originally Posted by Vin View Post
I have another potential factor to consider!

Is it possible that the amazon frogbit I have in this tank are eating all the nutrients way before the other plants? and killing their light a bit ?

The whole surface is not covered and the frogbit gets pushed around in the current so no area is really 100% shadowed.
That could very well be the source for the dying bottom leaves, my rotala colorata started to suffer a bit a week back, and I just did a water change and the darn duckweed was getting all over my arms, so I got pissed and scooped a bunch out.

And now a week later keeping the duckweed minimal my plants started recuperating and now look great again, and I knew it wasn't my ferts or lighting period since that's always the same without problems.

It's the easiest solution so why not try it, you gotta remember even top scientist experiment before they get it right.

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Old 09-08-2013, 12:14 AM   #12
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Thank you everyone for your answers.

I decided to corral the frogbit first. So I did this:



I cut and replanted the heads of all the hygro. I will not change light schedule or fert dose for now.

I will see how it goes!
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Old 12-05-2013, 05:22 PM   #13
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Quote:
Originally Posted by Vin View Post
Thank you everyone for your answers.

I decided to corral the frogbit first. So I did this:



I cut and replanted the heads of all the hygro. I will not change light schedule or fert dose for now.

I will see how it goes!
So did this plan fix the problem? I am wondering the same thing about having too many floaters hoggin up all the light+nutrients in my tank also.
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Old 12-05-2013, 07:07 PM   #14
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Ahhh been a long time.

This is what I have done since:
Upped the pps pro dose .... This did nothing.

Went back to a normal pps pro dose
More regular water changes
Doubled the Excel dose

The hygro difformis almost conpletly died but is slowly perking back
The hygro polysperma is going crazy which is good
Hydroclyte is doing better also
Basically addind more Excel worked and I am slowly going for a triple dose if I see everyone in the tank tolerates it.


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Old 12-05-2013, 07:08 PM   #15
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I also got rid of the frogbit but for other reasons. I dont think that plant had anything to do with anything


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