Ph Dropped To 6.6

yuki71

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fishless cycle
ph has crashed to 6.6
ammonia at zero's from day 14
topping up to 3ppm daily
nitrites off the chart have not hit a zero yet
nitrates at 20ppm (not moving)

all still ok ?
 
I'd suggest a big water change and add some bicarb of soda to get your pH up. At that level, it can stall the cycle. You want it up around the 8.0-8.2 mark.
 
I'd suggest a big water change and add some bicarb of soda to get your pH up. At that level, it can stall the cycle. You want it up around the 8.0-8.2 mark.

ok can do it saturday
when i do the water change can i add prime straight into the tank?or will it mess up the good bacs in the filter
 
I'd suggest a big water change and add some bicarb of soda to get your pH up. At that level, it can stall the cycle. You want it up around the 8.0-8.2 mark.

ok can do it saturday
when i do the water change can i add prime straight into the tank?or will it mess up the good bacs in the filter

Def use the Prime - if you don't, that will mess up the bacs!

You can either add the tank's worth of Prime direct into the tank, or add a bucket's worth of Prime to the bucket.
 
I would do a massive water change. There's no sense in letting all the excess nitrite just sit in the tank. The bacteria you are trying to cultivate prefer levels on the order of 0.14ppm, not 5+ppm. So, the water change will do TWO things for you. First, it will enable you to easily raise the pH by taking out the nitrAtes that caused the creash. Second, it will remove the excess nitrItes that will cause the wrong bacteria to increase.


Add baking soda to raise the pH after refilling with dechlorinated water. You can either add the dechlorinator to the tank for the entire volume of water the tank holds, or you can add it to each bucket individually for the amount the bucket holds. The baking soda will raise the pH, and you want it to be around 8.4 or so. That is the range that is optimal for the bacteria growth you are trying to achieve.

It looks like you've already dropped your dosage, so just wait it out a little more.
 
I would do a massive water change. There's no sense in letting all the excess nitrite just sit in the tank. The bacteria you are trying to cultivate prefer levels on the order of 0.14ppm, not 5+ppm. So, the water change will do TWO things for you. First, it will enable you to easily raise the pH by taking out the nitrAtes that caused the creash. Second, it will remove the excess nitrItes that will cause the wrong bacteria to increase.


Add baking soda to raise the pH after refilling with dechlorinated water. You can either add the dechlorinator to the tank for the entire volume of water the tank holds, or you can add it to each bucket individually for the amount the bucket holds. The baking soda will raise the pH, and you want it to be around 8.4 or so. That is the range that is optimal for the bacteria growth you are trying to achieve.

It looks like you've already dropped your dosage, so just wait it out a little more.

currently cycling 160litre tank, by adding a small splash of pure ammonia in each day. The ammonia is getting processed quickly (partly due to tank being planted). Tank at 30C degrees

had nitrites off charts for about 3 weeks.

eventually tested pH and realised it was low too (6.2 ish)

did 95% water change, nitrites still off charts, chucked some 'pH up' powder (which is prob just bicarb) in

next day...nitrites still off the charts

did 2nd 95% water change, nitrites at 0.5ppm

next day...nitrites back off the charts

did 3rd 95% water change, nitrites at 0.5ppm

next day...nitrites back off the charts.

started to get a bit miffed at this point, so got an eyedropper and started measuring the ammonia drops each day
(yes i should have done that from day 1 :) )

i added 8 drops a day, and changed 27Litre of water a day (got tired of doing 95%)

still getting nitrites off charts 24 hours later

added a 2nd airstone to tank

started just putting in 4 or 5 drops of ammonia a day

finally i've had a couple of days in a row where nitrites are 0.5ppm without doing water change..so hopefully i'm close now to being cycled

just posting this as FYI for the OP, confirming that the same things eagleaquarium said to do, seem to work..just might take a couple of days to see results
 
great info thankyou
i am all set to do the water change saturday morning
 
wow, just got home and the nitrites are less than 0.25ppm...just enough to make the water slightly purple after 5 minutes

never knew i could be this patient with anything
 
You are doing well. How is the Ph doing now?

You are into your second phase now. Any day now you will see the nitrites dissapear realy fast. Fingers crossed for you.
 
good question...i just checked!

my ph is 8.2 still, ive been chucking in a random amount of aquamaster "pH up" each day. sure enough, the active ingredient is bicarb :)

without it, the ph will go back down, as the water is soft where i live (ph usually is high out of tap)..and i also have driftwood in the tank, if you believe that drops ph too.
 
The best bet is to just keep checking the Ph rather than dosing every day. Then dose if & when it drops.
 
The best bet is to just keep checking the Ph rather than dosing every day. Then dose if & when it drops.


Agreed.

chokko,

The key is to only take steps to fix problems when needed. It's cheaper that way too! Right now you need to practice patience and monitoring water parameters of the tank. Don't dose anything into the tank unless you've first tested to see where the current levels are. Do only what is required, and nothing more. For example, feeding: Fish always seem hungry. And if you feed them, they will eat. All the time, day or night. But, as the fishkeeper, you have to be responsible and only feed them what they need. Their stomach is roughly the size of their eye. Too much food is dangerous. Not only does is create excess ammonia in the water, but it also can lead to digestive issues, swim bladder troubles, etc. None of these are good for the fish. In the wild, these fish eat whenever they can and are always looking for food, because it isn't readily available. In your tank, they will follow the same behaviors. But, if they are fed constantly, they will eat constantly. Many fishkeepers adopt a fasting regime for their fish. I do it once a week, and occasionally twice a week. There are some folks who only feed the fish two or three times a week. The fish don't need lots of food. They need far less than we generally give them. They are our pets and we want them to be "happy", so we feed them a lot, because we see them coming to the top and begging for more. But, the reality is that it is our job to keep them healthy. Too much food is bad. It's a learning process. You are doing very well so far. You just need to refine your technique a bit. :good:
 
emptied 90% of the water
added prime
ph 7.6
ammonia 0
nitrItes still off chart purple
nitrAtes at 5ppm
 
got home today, nitrites are ZERO after last nights feeding of pure ammonia.

keep doing some more water changes till the Nitrites are on the chart Yuri, then you'll only be a couple of days behind me
 
got home today, nitrites are ZERO after last nights feeding of pure ammonia.

keep doing some more water changes till the Nitrites are on the chart Yuri, then you'll only be a couple of days behind me

OK
how much and how often?

your advice is greatly appreciated!
 

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