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f13.net  |  f13.net General Forums  |  General Discussion  |  Topic: Fish Tanks 0 Members and 1 Guest are viewing this topic.
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Author Topic: Fish Tanks  (Read 44378 times)
Signe
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Reply #350 on: July 17, 2017, 12:13:53 PM

I didn't even know that people put jellyfish in tanks like that.  It's very cool and outer space spooky looking.  I love it.

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Samwise
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Reply #351 on: July 17, 2017, 01:00:11 PM

I am not an expert on a jellyfish tank; however, I have done quite a bit of research on it.   It was my understanding that you really didn't want to put anything on the bottom since it interferes with the waterflow necessary to keep the jellyfish suspended in the water column.   You might want to reconsider the choice of putting substrate in the bottom of that.   

The substrate is there specifically to keep the water flow partially obstructed so the jellyfish don't get sucked into it.  Some models have a sort of grate over the intake to serve that function, but this one just has it open and they give you bags of substrate to cover it up.

"Nice attempted blast about my "drinking".  I do enjoy a nice cuppa, but that is because I am a bon vivant of gregarious nature and cheery disposition." - Ab
Samwise
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Reply #352 on: July 19, 2017, 12:27:16 AM

One week in -- one jellyfish perished of some bizarre jellyfish wasting disease (it just quickly shrank until there was nothing left).   ACK!

Other two seem fine, so whatever it was doesn't seem to have been contagious.  One is very active and fun to watch as it jets around, the other appears to be comatose and just drifts in circles without exerting any effort (it doesn't seem to be withering or injured, though, and I can see food ending up in its stomach at feeding time, so I'm pretty sure it's alive and healthy).

"Nice attempted blast about my "drinking".  I do enjoy a nice cuppa, but that is because I am a bon vivant of gregarious nature and cheery disposition." - Ab
01101010
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Reply #353 on: August 05, 2017, 06:10:24 PM

So Gary, my Koi Betta went MIA today. I took all the big items out of his tank thinking he was stuck in the plants or something... nope. Fucker jumped out. I found him under the radiator over by the window, 3 ft from the tank. He was full of dust and crap from the floor and dried out. As a send off, I cleaned him up for his funeral but on the off chance I could maybe see if he has anything in him, I put his body in a small glass dish with about an inch of water. Rinsed him off, and dumped the dirty water and put his tank water in the dish and left his body while I cleaned up his tank. It was about 2 hours between me seeing him in his tank and finding him under the radiator so I have no idea how long he was out of the tank.

Either way, I am cleaning his tank when I notice he is not on his side that I had him on after I cleaned him up. So I grabbed the dish and as I am looking, his body twitched. Almost dropped the dish. I rubbed his side and he started thrashing around. So now I am on Lazarus watch... If he survives, it'll be a miracle but right now, he is taking gulps of air and swimming for a few seconds before going catatonic whenever I change his water (with an eyedropper). Glad I remembered they are puddle fish and thought he might have a chance if he got into water again... just hope he didn't damage his swim bladder.

"I want to watch it all burn in an orgy of smashed Coke machines and weasel rape." - HaemishM
01101010
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Reply #354 on: November 19, 2017, 07:12:23 PM

So Gary never made it and I completely forgot I wrote that piece earlier.

In other news, finally found a striped raphael at the LFS.  DRILLING AND MANLINESS


"I want to watch it all burn in an orgy of smashed Coke machines and weasel rape." - HaemishM
Viin
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Reply #355 on: November 20, 2017, 10:31:23 AM

Good inspiration in this thread. I started my planted tank a couple of months ago, with a "dry" start. Here's how it looked after I got it going with more plants and some fish. (Now I'm dealing with some brown algae, sigh). More plants to come, once this algae issue resolves itself!

« Last Edit: November 20, 2017, 04:02:31 PM by Viin »

- Viin
Raph
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Reply #356 on: November 20, 2017, 03:55:59 PM

It's been a while since I posted an update. Here's the big tank:

Raph
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Reply #357 on: November 22, 2017, 01:06:24 AM

Viin, you're running CO2 I hope? And lots of light? Those are some tough plants you've got there!

My tank is too big to realistically do CO2, alas.
Viin
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Reply #358 on: November 25, 2017, 04:55:20 PM

Got lots of light and trying Excel every other day - might up that to every day if I don't see some perking up soon. For a 12G I was hoping to skip any real CO2 system... few more weeks should tell the tale.

- Viin
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Reply #359 on: November 25, 2017, 05:09:32 PM

You will need fertilizers, with those red stem plants.

Light is like stepping on the gas pedal, it makes everything try to grow faster.

Algae doesn't need much more than light and trace nutrients. Plants need N, P and K, and CO2. If you don't have enough fertilizers, the algae will win when you add light. Stem plants in particular, and especially those redder ones, need N, P, K, plus trace minerals -- iron especially, that's what makes them red.

FWIW, I dose Excel every day.
Viin
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Reply #360 on: November 25, 2017, 05:56:43 PM

Good info, I also have Flourish which I've been doing every ~4 days. I haven't tried any iron fertilizer yet (but I do have a bottle), though I have noticed the red plants are turning a bit green.

- Viin
Nebu
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Reply #361 on: November 25, 2017, 06:41:59 PM

The problem with fish tanks is that there is no 'sink' for excess minerals etc.  Phosphate is a delicate one to balance for this reason.   Having a tank with live plants takes a level of care and dedication that I haven't reached yet.  I'm REALLY impressed by both of your tanks.  They put mine to shame.

"Always do what is right. It will gratify half of mankind and astound the other."

-  Mark Twain
Raph
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Reply #362 on: November 26, 2017, 03:47:01 AM

The standard way to deal with planted tanks these days is called the Estimative Index method. Basically, you over-fertilize. It doesn't hurt the fish. You then do substantial water changes on a regular basis to take out the excess fertilizers from the water column.

EI experimentation has shown that most algaes are because of a LACK of all ferts being in the water. If you have plenty of nitrogen, and not enough of the other two, plants suffer but nitrogen-specific algae flourish. And so on. So what EI does is make sure there's an excess of ALL of them.

http://greenleafaquariums.com/glanews/planted-tank-fertilizer-estimative-index-ei-fertilization-method/

Note that EI (and lower dose versions, such as PPS) calls for high doses of nitrogen, potassium, and phosphate, plus doses of micronutrients, which is what "Flourish" (the one with no other name) is. If you dose only Flourish you're basically giving vitamins without giving fats, carbs, and protein.

The more light, the faster stuff tries to grow. The more food it will need. It can only eat as fast as it "breathes" which is why you then also need to dose CO2 (or Flourish Excel, which is liquid CO2). If you add ferts and don't add CO2, stuff just can't grow as fast.

"Hard" plants call for a lot of something -- lots of ferts, or lots of light. Pretty much all stem plants are at least medium difficulty, and all the red ones are medium to hard. The really hard ones have weird biological cycles like bulb plants that have to be removed from the water sometimes, or plants that have really specific "vitamin" needs in terms of ferts. Calling for a lot of any one thing means you then need a lot of everything, if that makes sense. That's why adding light without adding the rest causes the tank to explode in algae.

You can get the full array of stuff you need all from the Flourish line:

Flourish Excel: CO2.
Flourish Nitrogen, Flourish Phosphate, Flourish Potassium.
Plain Flourish: "vitamins" aka micronutrients. Includes small amounts of iron.
Flourish Iron: added iron for red plants.

But it costs a fortune. Which is why you move to buying this stuff by the pound as dry powder and mixing your own bottles of the liquids. It's literally a fraction of the price.
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Reply #363 on: November 26, 2017, 04:00:55 AM

To add detail... Here was my dosing when I was on Flourish liquids:

Code:
Low light EI Times per week mL per day Capfuls for 80 Seachem dose Capfuls for 16
Comprehensive 18 3 6 1.2 1 0.24
Nitrogen 45 4 11.25 2.25 1.5 0.45
Phosporous 113 4 28.25 5.65 3 1.13
Potassium 63 4 15.75 3.15 4 0.63


EI for my 80g tank with dry ferts is 1/4 teaspoon of P and K and 3/4 teaspoons of N, every other day; 1/4 teaspoon of traces (I use CSM+B) on the alternating days. Excel, one large capful (I use the gallon jugs and their caps) every day. I check total dissolved solids and let that drive water changes, which I do from the tap. I can get away with monthly. I top off evaporation with RO/DI water.
Viin
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Reply #364 on: November 27, 2017, 10:45:44 AM

Thanks for the info, especially the link above!

- Viin
Nebu
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Reply #365 on: November 27, 2017, 11:14:19 AM

Agreed.  Great stuff.  Thanks Raph.

"Always do what is right. It will gratify half of mankind and astound the other."

-  Mark Twain
01101010
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Reply #366 on: November 27, 2017, 11:36:35 AM

Man I keep the most durable plants I find and spend $$ on the fish. I keep the plants in pots and the fish in tanks.

You people and your aquascaping.  awesome, for real

"I want to watch it all burn in an orgy of smashed Coke machines and weasel rape." - HaemishM
Raph
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Reply #367 on: November 27, 2017, 01:50:30 PM

Think of it as a game system, and these are just increasing levels and different content. You're playing the easiest mode ;)
Viin
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Reply #368 on: November 27, 2017, 10:10:38 PM

Raph, do you know if I can premix the various Flourish ferts to make the right ratio for regular dosing? That way I don't have to measure out tiny amounts of each every time I go to dose ..

- Viin
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Reply #369 on: November 28, 2017, 12:53:35 AM

I'm pretty sure it's fine. But don't keep it in sunlight (once liquid, it molds easily) and don't mix in the traces (iron and Flourish Comprehensive). The reason you dose the comprehensive on alternating days is because it reacts with the others, and precipitates out as a salt or something.

The other thing is, I wouldn't do the mixing until you think you have the right doses. You familiar with this chart? http://aquathusiast.com/nutrientdeficiency/

Viin
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Reply #370 on: November 28, 2017, 11:07:05 AM

You are full of useful links!

- Viin
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