Water change during fishless cycle - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 05-08-2018, 07:19 AM Thread Starter
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Water change during fishless cycle

I am in my second week of cycling my new 20G right now, I have added a lot of plants to the tank 4-5 days ago and have not done any water change since. I test my water daily and my ammonia and nitrite level has been pretty steady (both at around 0.5PPM).

How often I should do water change during the cycling? There are two concerns I have here, 1. keeping the plants alive and let them adjust to the new environment and thrive, 2. doing water change will lower my nitrite level, and will this affect the grow of the batericia (ammonia level will not change since my tap water have about 0.5 PPM on ammonia in it). I have seem very little nitrate in my tank so far, so I am not sure if I have any bacteria converting the nitrite to nitrate yet, or just simply my plants taking up all the nitrate. However, my ammonia and nitrite level been pretty constant at 0.5 PPM.

Also, I use fuval cycle to help me kick start the cycle, so far I add the recommended amount daily to my tank, and my question is, does it actually contain any good bacteria? How they keep these bacteria alive in a bottle? Does it contain any ammonia and nitrite? I suspected that the nitrite in my tank so far are from this fuval cycle since I started to see nitrite reading a few days after i start adding this stuff. The main reason for this is both the ammonia and nitrite level are always around 0.5 PPM for the past week, it never go up or down.
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post #2 of 5 (permalink) Old 05-08-2018, 09:38 AM
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What is substrate?
Not much benefit in many of the bacteria in a bottle product's in my view.
Plant's prolly came with some bacteria on them if kept wet/damp.
Ammonia in tap will prolly feed bacteria as well as plant's, and once the plant's get started and exhibit new growth leaves (couple weeks), I would expect the ammonia and nitrites to go away, and Nitrates to be at detectable level's.If not,,,maybe some ammolock in filter might be needed with fishes present and subsequent food's,poop.
Two week's is not long at all for tank that it maturing.
Water change would be four week's in for me with no fishes/invert's present.
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post #3 of 5 (permalink) Old 05-08-2018, 03:09 PM Thread Starter
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I have 2 bags of eco-complete (40lbs) in the 20G. I been adding small amount of fish food to the tank to let them decompose and create ammonia. Some of my plants are going through shock as some of their older leaves are yellowing/falling off, I just want to check if water change would help soothe them through the transition along with ferts (flourish comp/excel).

Are there any other better quick start product out there? I saw some people recommend aquavitro seed. Also I was thinking about going down to my LFS and see if they will sell me some dirty sponge/media, would this provide a bigger boost to the cycle than the quick start products?

Thanks again for your help!
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post #4 of 5 (permalink) Old 05-08-2018, 04:45 PM
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You just need to keep feeding the tank small pinch of fish food every couple days.
Remove dead leaves or yellowing leaves from plant's.
Dose the flourish comprehensive at twice a week and perform water change once a week if you like.
Yes,borrowed filter media from an already established tank would speed things along, but how well do you trust fish store and their tanks should they agree to let you have some?
Know anybody else who has an established (cycled tank)?
Were it me,,I would look to dry fertz such as macro/micro package from www.AquariumFertilzer.com which would be cheaper over the long haul and contains more of what plants need than the /flourish comprehensive alone.
Tank will cycle on it's own the way you are doing now but I understand the rush that folks always succumb to.
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post #5 of 5 (permalink) Old 05-08-2018, 05:22 PM
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i used bio digest to cycle my tank and it did speed it up look for it on amazon


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