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TOPIC: 65 Gallon tall - Blackwater Discus tank

65 Gallon tall - Blackwater Discus tank 4 years 7 months ago #16021

  • kmuda
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I have ordered everything I need to get going on a black water tank. I thought I would start a thread to see the progress from beginning to end.

Tank.... is a Clear-For-Life 65 Gallon Tall (36x18x24) Acryllic Tank with a "Saphire Blue" background.



Substrate will be pool filter sand, but I do plan on some plants. Wisteria will grow just about anywhere, so that will be used. But I'm also going to use small clay pots filled with Eco-Complete for some Amazon Swords and possibly other low to moderate light plants. This should allow me to use only $25 worth of Eco-Complete instead of $220.

Instead of going all out on lighting, I am going to try a lower cost route, using the Zoo Med Aquasun LED HO Fixture.
www.drsfostersmith.com/product/prod_disp...4+28281&pcatid=28281

I like the idea of replaceable modules and LEDs. Since this will be a low tech tank using mostly low light requirement plants, this should hopefully get the job done without spending a fortune. If this does not cover the lighting, I can always use the included CFL Light Hood, purchasing and installing up to 4 T5 light strips in it.

Filtration will be an Eheim 2215 and a small army of air-driven sponge filters. It needs to be a low flow tank.

The stand will be a Titan EZE stand for 65 gallon tanks, with the 65 gallon Acrylic tank on the top and a 40 gallon breeder on the bottom. The purpose of the 40 gallon breeder is as a water aging and treatment tank. Water will be prefiltered through Peat to both drop the pH and soften the water. Since my tap water has such a low KH, getting the pH to drop sub 6.5 should not be too much of an issue. Maintaining a nitrogen cycle sub 6.5, may be an issue, especially with such limited filtration.

I'll cut a sheet of pressure treated and water proofed plywood to fit the top shelf, to support the Acrylic tank. I will also use a sheet of dense foam between the tank and plywood.

Driftwood will be manzanita, with multiple pieces inbound. The goal is to have many branches throughout the tank., from top to bottom.


As things arrive and are pieced together, I'll get some photos up.
120g - Tiger Oscar, Parrot Cichlid, SDs | 55g - 24 Year Old Kissing Gourami
55g - Angelfish/Bolivan Rams | 40g GBRs - 20g Apistos
65g Blackwater Planted Discus Tank
4 Cats, 2 Shelties, 1 Rat Terrier, 1 wife, 1 old lady, 1 sub-adult, 1 rug rat.
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16027

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I looked at that light as well, but being unfamiliar with zoo med lights, I shyed away. Be sure and let us know what you think of it.

Definitely post pics of this tank. Should be BA.
"My Country is the World, and my Religion is to do good." -Thomas Paine
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16035

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Whats a blackwater tank?
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16036

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flipfloppin wrote:
Whats a blackwater tank?


Blackwater river :whistle:
We need to stop talking about the people as if they were the crown of creation.
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16038

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Dark like river water...gotcha Dont mean to sound stupid, Ive never heard of that before
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16039

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flipfloppin wrote:
Kmuda, do you filtering with peat, leaves and alder cones or just adding liquid tannin?

I hit the wrong button and wacked tooms post. Sorry..... Kmuda
We need to stop talking about the people as if they were the crown of creation.
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16040

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That's because not many people keep/maintain blackwater tanks. It's a lot of extra work to keep the water in that type of condition and most south american fish seem to do well without it. And when I say most, that should be your hint as to what Kmuda plans to keep in his 65 tall.... :D
"My Country is the World, and my Religion is to do good." -Thomas Paine
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16041

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Im sure it will be a neat project :)
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16044

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Very cool Kmuda....looking forward to seeing it come together :)
210g,1-lutino tiger O, 1- red long fin lutino O, 1 red O,7 SD
120g,3 Discus various dither fish
60g reef,1 sand sifting gobie,1black&white wrasse, various cleanup crew and lots of corals:)
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65 Gallon tall - Blackwater tank 4 years 7 months ago #16049

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My hope is that I don't have to use Peat on the main tank, that I can achieve what I need by filtering with Peat only on the aging tank, able to drop pH and hardness where I need it. If that does not get the job done, I'll have to go R/O, but I'm hoping not to have to inherit that hassle and expense. I have not yet investigated a leaf litter substrate. It depends on what local leafs I can use..

I'll know more about how to get the water to where I need it in the coming weeks. I can get the pH to crash. That's easy. Getting a stable pH after the crash, in combination with appropriate general hardness, is the question mark. And getting/maintaining a nitrogen cycle at sub 6.5 pH is a potential issue.
120g - Tiger Oscar, Parrot Cichlid, SDs | 55g - 24 Year Old Kissing Gourami
55g - Angelfish/Bolivan Rams | 40g GBRs - 20g Apistos
65g Blackwater Planted Discus Tank
4 Cats, 2 Shelties, 1 Rat Terrier, 1 wife, 1 old lady, 1 sub-adult, 1 rug rat.
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