Roy's 30 Gallon Red Spot Green Discus F1 - Page 3 - The Planted Tank Forum
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post #31 of 35 (permalink) Old 09-06-2020, 07:38 PM
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Yes, a lot has changed since our meeting at the AGA 2019. Had a lot of fun in Seattle and was great meeting you and everyone else that was there.
Looking forward to, and likely hoping for the AGA 2021. Fingers crossed I will meet some new faces.

Rotala, hmmm. Will be interesting to see your results with the H'ra at your macro levels.

Completely agree on the lighting adjustment. Hard to get good performance with the gas pedal near the floor and a dirty fuel filter (running lean) :-)


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- GreggZ Tank Parameters
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post #32 of 35 (permalink) Old 09-08-2020, 06:25 PM Thread Starter
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Hi All,

2020-09-07
Yesterday was water change day. I did a 50% water change and took the opportunity to make some of the plant species changes I mentioned earlier. I removed the sad Persicaria sp. 'Kawagoeanum' which had very little root system and they went into the compost pile. I removed all but one of the Limnophila rugosa which had good root systems but poor growth and I moved them to my 75 gallon. The Ludwigia sp 'Red' (which to me doesn't look like L. sp 'Red') was cut down to remove the emersed growth at the bottom and replanted just the submerged growth tops; the stems all had a good root systems. I dug around in my tanks and plant bank and added a couple of Nymphoides hydrophylla (aka sp. 'Taiwan'), some Rotala H'ra (aka 'Vietnam'), and a couple of stems of Limnophila sp. 'Wavy'. Here a picture showing the new layout and trial species.



1) Nymphoides hydrophylla (aka sp 'Taiwan') hiding behind the 'Trident'
2) Rotala H'ra (aka 'Vietnam')
3) Limnophila sp. 'Wavy'

Here are a better shots of the three species I added. First Nymphoides hydrophylla


Next Rotala H'ra


Lastly Limnophila sp. 'Wavy'


I also took a full set of water parameter readings after the water change and plant changes; here are the results:
pH = 6.8
dKH = 2.0
dGH = 4.0
Ca = 20 ppm
Mg = 5.23 ppm
NH3 = 0.25 ppm (possibly from disturbing the substrate?)
NO2 = 0.00 ppm
NO3 = 10.0 ppm

The fish are eating three meals a day consisting of frozen bloodworms, frozen adult brine shrimp, frozen adult brine shrimp with spirulina algae, freeze-dried tubifex worms. The discus are not really interested in Fluval Bug Bites, Extreme Krill Flakes, or Extreme Pellets. My live white worm culture has grown large enough that I should be able to add that sparingly to the food rotation.

Have a great week everyone! -Roy

Roy_________
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post #33 of 35 (permalink) Old 09-12-2020, 02:57 AM Thread Starter
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Hi All,

2020-09-10
Today I did a 9 gallon water change and did a light vac at the front of the tank. Added 1/2 tsp CaSO4 (3.97 ppm Ca / +0.56 dGH); 1/4 tsp MgSO4 (1.38 ppm Mg / +0.32 dGH); 1/4 tsp K2SO4 (7.9 ppm K); 1/32 tsp KH2PO4 (1.34 ppm of PO4; 0.44 ppm P; 0.55 ppm K for GSA. All the discus are eating well and seem to be establishing a comfortable pecking order.

Roy_________
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post #34 of 35 (permalink) Old 09-16-2020, 05:48 PM Thread Starter
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Hi All,

I apologize for being a little late in my posting this week. I am on the Board of our local aquarium club, Greater Seattle Aquarium Society (gsas.org) and we had a board meeting last night that I had to prepare for. I did do my water change as scheduled on Monday.

2020-09-14
Today was the big water change of about 50% or 12 gallons. After the water change I took readings and these are the results.
I also took a full set of water parameter readings after the water change and plant changes; here are the results:
pH = 6.4
dKH = 2.0
dGH = 4.0
Ca = 20 ppm
Mg = 5.23 ppm
NH3 = 0.00 ppm (possibly from disturbing the substrate?)
NO2 = 0.00 ppm
NO3 = 10.0 ppm

The ammonia came down from 0.25 ppm last week to 0.00 this week which kind of confirms that changing the plants and disturbing the substrate caused the slight increase in NH3 that we saw. Because we have hit my target dGH and Ca and Mg levels I did not add any calcium sulfate (CaSO4*2H2O) or magnesium sulfate (MgSO4*7H2O) for the plants. The fish are doing fine and still eating like swimming pigs although they seem to feel entitled and only eat frozen bloodworms, live adult brine shrimp, frozen brine shrimp, and FD tubifex worms. They turn their noses up at krill flakes and Fluval Bug Bites, any suggestions as to how to encourage them to eat other foods would be appreciated.

Here are some pictures from Monday; first the overall tank shot.


The Rotala H'ra (aka 'Vietnam') is doing as expected. With the low nutrient levels in the water column the Rotala has taken off, can you see all the new stems starting to emerged along the original stems?


The Myriophyllum sp. Guyana is starting to branch at the top of the stems; the Oldenlandia salzmannii continues to grow toward the surface and will need trimming soon. And on the far right the Hygrophylla arcuata continues to grow slowly. Regrettably the Eriocaulon 'Vietnam' in the foreground continues to just sit there. It will be moved to another tank in the near future.


They Limnophila sp 'Curly' that was added last week is also growing nicely.


Just like the Oldenlandia salzmannii the Ludwigia sp 'Red' (*doubtful this is correct identification) is growing to the surface, this is after I removed the original emerged growth from bottom of the stems last week.

And a partial 'Family Portrait'


Lastly, for @Shan_Evolved a video of the fish eating FD Tubifex Worms
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Roy_________
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post #35 of 35 (permalink) Old Today, 01:12 AM Thread Starter
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Hi All,

2020-09-28
Another 9 gallon water change today. I siphoned up about 1/4" of the sand substrate at the front of the tank because it was showing little specks of algae and looking "dirty" and replaced it with fresh sand. The fish continue to eat and grow; today I gave them live white worms (Enchytraeus albidus) for the first time. The plants continue to grow including the Rotala H'ra, Ludwigia sp 'Red' (NOT), and the Ludwigia arcuata is looking taller as is the Limnophila sp 'Wavy'.


Notice the watersprite (Ceratopteris thalictroides) growing behind the Microsporum pteropus 'Windelov' (java fern); Ceratopteris are great plants for absorbing nitrates and ammonia.
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