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Old 08-04-2020, 07:53 AM   #11 (permalink)
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Default re: Roy's 30 Gallon Red Spot Green Discus F1

Hi @neilshieh,

Good to hear from you! Yes, these are first generation from the wild ones collected in Peru. The color of the adults is much, much nicer than the juvies in the photos. -Roy
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Old 08-04-2020, 01:30 PM   #12 (permalink)
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Default re: Roy's 30 Gallon Red Spot Green Discus F1

When you said the temp was 85, I tried to think of anything besides discus that liked water that warm. Drew a blank! I love wild type discus and look forward to seeing more photos as they mature.
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Old 08-04-2020, 01:50 PM   #13 (permalink)
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Default re: Roy's 30 Gallon Red Spot Green Discus F1

Hi Michael,

This is my first time with Discus, I hope it goes well. Did a lot of reading and research but that doesn't always equate into experience. -Roy
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Old 08-09-2020, 05:22 PM   #14 (permalink)
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Default re: Roy's 30 Gallon Red Spot Green Discus F1

Hi All,


Well the discus have settled in for a week now and so far no surprises or issues. My only concern is that these guys may eat me out of house and home!

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Old 08-11-2020, 06:59 PM   #15 (permalink)
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Default re: Roy's 30 Gallon Red Spot Green Discus F1

Hi All,

Here is what has been happening in the tank since I added the discus.

This last week I increased the PAR from [email protected] to [email protected] on Tuesday and then on Saturday I increased it from [email protected] to [email protected] (all measured at the substrate level).
I did a 50% water change yesterday making sure to match within 5 degrees the new water with the tank water. I added 3/8 tsp CaSO4 (3 ppm Ca / 0.4 dGH); 3/16 tsp MgSO4 (1.04 ppm Mg / 0.25 dGH); 3/16 tsp K2SO4 (7.5 ppm K)

The water parameters today are:
pH = 7,2
dKH = 2.0
dGH = 4.0
NH3 = 0.25 ppm
NO2 = 0.25 ppm
NO3 = 10 ppm

The ammonia level remains stable and I attribute the not before seen levels of nitrite and nitrates to the addition of the discus and the large amounts of food they consume. I will likely do a second water change on Friday and check the water parameters again.

Here is an overall view of the 30 gallon


The Trident Java Fern (Microsporum pteropus 'Trident') is doing well and looking good. The Cryptocoryne wendtii 'Green Gecko' has put out more leaves in the last couple of weeks than it did in the previous 3 months, I think the substrate feeding is having a positive effect.


Here is an overall view of the center of the tank. The Eriocaulon sp 'Vietnam' is growing although slowly with no signs of algae on the leaves. In fact, I haven't seen any algae whatsoever on the glass or plants since they were planted.


Here is a shot of some of the plants I am experimenting with along the back glass. These all come from my emersed plant bank and were planted July 30th so they have been in place about 11 days. This picture shows the Myriophyllum 'Mini' and the Bacopa colorata. Note the top leaves are noticeably larger on the 'Mini' compared with the lower leaves that were grown emersed. The same is true of the B. colorata but it is difficult to see in the picture. Also notice the top leaves are starting to show some pinkish coloration.


The Limnophila rugosa has put out several new leaves and is starting to look 'bushy'. The Ludwigia sp 'Red' has gone crazy (arrow) it must have 10 new nodes and the new submerged leaves are 5X the size of the emersed leaves. The leaves are green likely due to the low PAR level I have been using but the stems are growing toward the top and with the higher PAR I would expect to start seeing some normal color.
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Old 08-17-2020, 06:54 PM   #16 (permalink)
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Default Re: Roy's 30 Gallon Red Spot Green Discus F1

Hi All,

Time for another weekly installment!

2020/08/13

Today I did a 6 gallon water change on the tank.

2020/08/16

I took ammonia, nitrite and nitrate readings again today, they were:
NH3 = 0.25 ppm
NO2 = 0.00 ppm
NO3 = 10 - 20 ppm

2020/08/17

Today is water change day. I changed 50% of the water in the tank (approximately 12 gallons) and did a light vacuum of the substrate in the front to remove detritus and the top layer of sand was looking a little dingy. I added 3/8 tsp of CaSO4 for 3 ppm of calcium, 3/16 tsp of MgSO4 for 1.0 ppm of Mg, and 3/16 tsp of K2SO4 for 7.5 ppm of potassium. I also added 15 ml of Excel/glutaraldehyde for carbon molecules. The fish all ate well about an hour afterwards on San Francisco Bay Brand freeze dried tubifex worms (FDTW). I took some pictures of the tank as well, here they are:

The full view


The C. wendtii 'Green Gecko' added another leaf this week. The 'Trident' is doing well


The Persicaria sp. 'Kawagoeanum' is not doing well, the leaves are small and not well formed and the growth has slowed. On the other hand the Myriophyllum sp. 'Guyana' continues to grow well with about 4 nodes (1") of new leaves.


Another shot of the Red Spot Green Discus (RSGD), they are almost always schooling


Not much noteworthy on the rest of the plants other than the three small sprigs of Ludwigia arcuata are showing new submerged growth and the Limnophila rugosa is branching at the bottom.


Lastly, the Ludwigia sp. 'Red' continues to grow quickly, however [email protected] at the substrate and [email protected] at the tip of the tall stem is not yet creating red coloration, however the stem is starting to branch.
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Old 08-18-2020, 04:07 AM   #17 (permalink)
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Default Re: Roy's 30 Gallon Red Spot Green Discus F1

Looking great!
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Old 08-18-2020, 08:14 AM   #18 (permalink)
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Default Re: Roy's 30 Gallon Red Spot Green Discus F1

Hi @Michael,

As a side note I should say that this is the second tank I have set up with basically no water column dosing. I am using 'inert' substrates (Safe-t-sorb in the first one; HTH Pool Filter Sand in this one) with Osmocote Plus root tabs and supplementing the tabs with a couple doses of Seachem Comprehensive twice a week for additional micro-nutrients. In both tanks I am getting minimal if any algae on the glass, hardscape, or plants. Hmm, does water column nutrient dosing increase the likelihood of algae?

Both tanks have the same LED lights they had when water column dosing and the same photoperiod. Interesting. -Roy
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Old 08-18-2020, 11:24 AM   #19 (permalink)
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Default Re: Roy's 30 Gallon Red Spot Green Discus F1

Roy, I'll disagree with you on a detail. Safe-T-Sorb has no nutrients but it is not inert. It's cation exchange capacity allows it to absorb nutrients and hold them until plant roots can absorb them. I agree with you that a lean water column helps to discourage algae.
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Old 08-18-2020, 12:18 PM   #20 (permalink)
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Default Re: Roy's 30 Gallon Red Spot Green Discus F1

Hi @Michael,

Sorry, I should have clarified 'inert' in that it doesn't contain macro-nutrients with the exception of potassium. It does contain a host of secondary and micro-nutrients. I have used STS since 2011 and have been a strong proponent of it for planted tanks as an excellent alternative to most other substrates out there with the possible exception of ADA Aquasoils. But there is a huge price difference.

https://www.aquaticplantcentral.com/...ernatives.html
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