Day 1 of dry ferts now 2 dead cories - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 01-20-2014, 10:17 PM Thread Starter
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Day 1 of dry ferts now 2 dead cories

Yesterday I started dosing dry ferts from GLA and when I came home from work today there were 2 dead panda cories in my tank and 1 Molly that looks like its on its way too. Did I overdose my tank? Are there certain fish that are sensitive to dry ferts? I have a 46 gallon medium but not heavily planted. I doses 3/8 tsp kno3 and 1/8 tsp h2hpo4 one day after a 50% wc where I also dose 4ml of flourish comp. Also doing flourish excel in this tank. I tested nitrates and it looks like they're in the 40-80ppm range using API teat kit. Any opinions, advice, and suggestions would be much appreciated, thanks in advance.
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post #2 of 5 (permalink) Old 01-20-2014, 10:48 PM
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I have no fish trouble with dry ferts at all even i overdosed sometimes. I have angels, german blue rams, gold ram and neon tetra ( should they be included as sensitive fish too). The problems i can think of would be : shock of temperature ( as you do 50%), there might be too much of Excel dosed will cause fish shock as ph changes dramatically ( < this is my own experience with excel) but somehow 4ml for 46 gallon is too little to cause it. What dechlorinator did you use while doing the water change? I also noticed that overdosed seachem prime will somehow reduced the oxygen in the water, adding an airstone solved mine.

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post #3 of 5 (permalink) Old 01-21-2014, 12:41 AM
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I dose a ton more then you do and have never had anything die from ferts. What conditioner are you using? Water temp? CO2?

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post #4 of 5 (permalink) Old 01-21-2014, 01:11 AM
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^^+1 highly unlikely.

I dose 5ml of Excel daily into my 12g.
The only other thing that comes to mind are old posts here on TPT reporting contaminated batch from GLA, check your ammonia, just in case.

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post #5 of 5 (permalink) Old 01-21-2014, 01:58 AM Thread Starter
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I realize its unlikely and I'm not trying to put the blame on dry ferts but I just threw the question out there to see if anybody has dealt with the same problem because all the fish seemed healthy prior to today but as far as the tank it's low light no co2 tank but I do use excel. I use prime as water conditioner and the water temp is 76-78

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Originally Posted by OVT View Post
^^+1 highly unlikely.

I dose 5ml of Excel daily into my 12g.
The only other thing that comes to mind are old posts here on TPT reporting contaminated batch from GLA, check your ammonia, just in case.

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Well I hope that a contaminated batch isn't the cause of this but now I'm hesitant to dose again. It's only a weekly dose not full ei dosing so I probably will anyways and hope for the best. I didn't check the ammonia but I will. So if a batch was contaminated would that cause an ammonia spike? Ammonia was at 0 a couple days ago but I'll have to check it again

Last edited by Darkblade48; 01-21-2014 at 07:24 AM. Reason: Back to back posts
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