Holes in dwarf lily and frog it leaves - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 12-05-2019, 01:39 AM Thread Starter
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Holes in dwarf lily and frog it leaves

Anyone have any ideas what’s going on with these? The lilies I’ve had doing well for a few months. The frog bit is new. A few days after adding it I’m now seeing all of these holes. I don’t see any insects but I’m not ruling it out. There are mystery snails in the tank but I don’t think that’s related

I’m dosing EI micro and macros plus K twice a week. Excel daily. 50% wc weekly

No co2. Ph is 6.9. dKh 1 to 2. dGh 3. No3 10ppm. K 2ppm. Nh3 0. Nitrite 0. These levels have been consistent for a good time.
I don’t have any other tests.
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post #2 of 8 (permalink) Old 12-05-2019, 06:58 AM
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How long does it take for these holes to develop? If an animal or insect cause these they should appear rather quicklyhours to a day. If they take longer to develop it could be a nutrient deficiency. Your GH of 3 is quite low you may not have enough calcium or magnesium available to the plants. Ca and Mg plant plant macro nutrients. you might want to boost your GH by 2 degrees to see if that will help. But looking at your pictures I think you might have both animal and nutrient deficiencies causing the problem. For a Gh booster you can used Seachem equilibrium or nilocg.com GH booster.

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No co2. Ph is 6.9. dKh 1 to 2. dGh 3. No3 10ppm. K 2ppm. Nh3 0. Nitrite 0. These levels have been consistent for a good time.
I don’t have any other tests.
For NO3 most people use KNO3 in the macros. For a dose of 10ppm NO3 you should have 6ppm K since K is in KNO3. That is probably enough K for your tank. Add 2 ppm more K should give you a total of about 8 ppm of K. How much phosphate do you have in your macro mix? You are not listing any PO4 for your macros I use KH2PO4 for posphate, that would add even more K.
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post #3 of 8 (permalink) Old 12-05-2019, 12:15 PM Thread Starter
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Here are pic of the ferts I’m using. I go 2.25 pumps two times per week of each. For the K I add 2.5 ml two times per week. It’s a 29 gallon tank with about 23 gallons of water in it.
The two this past Sunday I added a lot of new plants, I suspect they bright the problems. I added maybe 30-40% more plant mass and some of them didn’t look too healthy. I didn’t notice any insects but it could be.
The majority of the holes showed up two to two and a half days after a added all of the other plants. However in one pic of the lily (the underwater one) those holes have been slowly occurring for two weeks (that is when I started to add the K)
What do you recommend?
Is there any sense in doing additional water parameter tests or would just adding additional macros and micros be recommended with the weekly 50% WC?

I’m actually head to my LFS today, it would be a good opportunity to get what’s needed.
Thanks so much for the help!!
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post #4 of 8 (permalink) Old 12-05-2019, 12:20 PM Thread Starter
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I’ll also add that the substrate is fluorite black sand with a Fluval Planted 3.0 light running about 40% intensity on all spectrums (except blues have been turned down to 5%) with a 7 hour photo period, two hours of that 7 is dimming up and down
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post #5 of 8 (permalink) Old 12-06-2019, 06:59 AM
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I think you need to try a GH booster. you first 3 pictures i think are insect damage. The last 3 (mostly the frog bit) is probably a nutrient deficiency. boosting your water GH by 2 to 3 degrees might help.

The fertilizer you have should be good. But with a GH of 3 you probably need to add some GH.
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post #6 of 8 (permalink) Old 12-07-2019, 01:55 AM Thread Starter
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Any suggestions for insect damage control? I suspect the plants I added could have come with some. Will my previously healthy tank sort them out on it’s own or should I take some sort of action?
Any thoughts on raising hardness with something other than chems? Crushed coral or the like in the filters I’ve heard a bit about. My scape doesn’t have stone so I’d like to not add any but prefer the idea of a more sustainable solution for hardness than powders and liquids. That said if it’s the best way I’m all for it.
Thanks
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post #7 of 8 (permalink) Old 12-07-2019, 07:37 AM
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Sorry I don't have any experience on combating insect damage to aquarium plants. And haven't done any research into the subject.
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post #8 of 8 (permalink) Old 12-07-2019, 01:17 PM
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Do you see insects? Off chance, how much excel are you adding daily? How big is the tank? If adding to much it can break down the plants making them vulnerable to snail damage. Lilys generally do well in soft water and usually get enough Ca and Mg from the tap and dosing.


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