Slime/Mucus/tank refuses to cycle - The Planted Tank Forum
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post #1 of 2 (permalink) Old 12-05-2017, 03:58 AM Thread Starter
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Slime/Mucus/tank refuses to cycle

Hi all, I have a 4 month old Fluval V I've not been able to level out. It seemed to cycle in 5-7 days or so followed by a bacterial bloom in the water (white haze). This cleared itself up after a couple weeks. This is a decently planted tank. Low tech/no carpets or anything like that but the plants are happy and growing and filling in nicely.

NH4, NO3, NO2, were all good to go and there was just the glimmer of what I assumed to be biofilm of some sort starting. So, at 1 month I introduced some cherry shrimp and a thorn nerite.

Things get strange here. The biofilm seemed to start growing but it was snotty strings attached to leaves and decor in the tank. The slime is clear/white almost fungus like from other posts I've seen. I figured it would work itself out like most new tanks and fungus. However, I started losing shrimp. Over the next month I lost 60-70% of the shrimp and the growth was unreasonable. I tried daily water changes 20% down to no water changes for a couple weeks. All parameters are at zero. Even NO3 is near zero. The shrimp although dying seem to find enough food as they have solid veins and I see droppings. I only feed a spec or two of some more calcium rich food once or twice a week.

I have since tried some fungus treatment (pimafix). Did not work. Now I'm wondering if I should try an antibacterial. Basically I've tried all the most natural remedies I can think of and I continue to lose shrimp and the tank is pushing 4 months old and seems well cycled by the book but obviously something is still not working.


Also my cloudy bloom is back! Thoughts?
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post #2 of 2 (permalink) Old 12-08-2017, 11:47 PM
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If you can, remove whatever wood you have in there.
If you want to remove the rocks too it wouldnt hurt.
If the tank isn't cycled yet do 20% wc every other day and keep adding whatever your ammonia source is.
If you have shrimp and or fish in it and it's not cycled... That explains the deaths not the slime.
Still frequent Water changes, try Tetra safestart, a lot of times this kinda stuff is just opportunistic so when you start to colonize other things they kill it off and things get stable.

P.s. nothing cycles in 5 to 7 days without seeding the tank with bacteria.
It can be done with high temps lots of plants and some mulm.
But whatever you tested that said it was cycled was probably just the plants eating all the ammonia, as soon as you got to the stage where nitrite was produced the shrimp all die

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Last edited by Darkblade48; 12-10-2017 at 06:24 AM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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