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is this normal?

the filter is a biomaster 600 aquarium 80.40.40 with 3 matrix baskets an original blue sponge and last wool plus purigen yesterday with the change I removed the old wool the purigen to regenerate. washed the sponges with aquarium water. instead mistake another week I washed the small sponges of the pre-filter with tap water 😭
 
max73 said:
mistake another week I washed the small sponges of the pre-filter with tap water 😭
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Washing pre-filter sponges in tap water does not matter. That is fine.

max73 said:
the filter is a biomaster 600 aquarium 80.40.40 with 3 matrix baskets an original blue sponge and last wool plus purigen yesterday with the change I removed the old wool the purigen to regenerate. washed the sponges with aquarium water.
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So its MATRIX, 1 blue sponge and filter floss. Your bioload (looking at the pictures) looks low, so the filter on its own should handle it. However, I would do the below for now:
  1. Wash the pre-filter sponges about once a week. Tap water is fine.
  2. Wash/Replace the filter floss once a week when you perform the pre-filter clean.
  3. Do not wash the MATRIX or Blue Sponges UNLESS the flow starts to dramatically slow. And if you have to, only VERY LIGHTLY wash by swishing in tank water, not deep and thoroughly.
  4. Increase aeration within the aquarium for a while, more oxygen will speed up bacterial growth.
I have two oases and hardly ever go inside the main unit or wash the sponges, like every 6-12 months. I only clean the pre-filter each week. The biomedia is best left alone unless your filter stops flowing.

I am not saying this is your problem, but it's just one more thing to do and rule out. e.g. create an environment you know.
 
ok then I'll do it like this. and I won't add the bacteria as suggested by seachem right? out of curiosity, is it right to have the kh at zero? jbl I put the first drop and it's immediately yellow
 
max73 said:
out of curiosity, is it right to have the kh at zero? jbl I put the first drop and it's immediately yellow
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If you have VERY soft water then yes.

Can you post all your water parameters please? KH, GH, pH, Ammonia, Nitrite and Nitrate.
 
OK, so you have no ammonia, and you can see Nitrate, which means things are processing. pH of 6, and you have a 0dKH.

So, adding to my list above, this is what I would do.
  1. Wash the pre-filter sponges about once a week. Tap water is fine.
  2. Wash/Replace the filter floss once a week when you perform the pre-filter clean.
  3. Do not wash the MATRIX or Blue Sponges UNLESS the flow starts to dramatically slow. And if you have to, only VERY LIGHTLY wash by swishing in tank water, not deep and thoroughly.
  4. Do not add any more bacteria in a bottle.
  5. Increase aeration within the aquarium for a while, more oxygen will speed up bacterial growth.
  6. Make sure you are not over-feeding the fish to limit food waste in the water column.
  7. Wait for a long time for things to stabilise. Once the water clears, you are back on track! 🙂
What I suspect is that this is probably too thorough a cleaning of the filter biomedia (MATRIX/Sponge) and adding bacteria in a bottle. The fact that your aquarium is two years old makes me think you have have different type of bacteria which process at low pH and low water nutrients. However, I do worry about a dKH of 0 when you are trying to boost or increase beneficial bacteria colonisations quickly.

@dw1305 - What do you think when you look at the tank parameters and the current effect? Does that low dKH of 0 present any problems that you can think of?
 
I would also roll my sleeves up, get my hands in the tank and clean, get rid of that BBA growing on the silicon, drop checker and everywhere else that it is growing, and also do plenty of water changes.
 
with every water change I try to eliminate the bba but then it comes back like I eliminate it forever there is no way
 
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