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Thank you master i will update you soon thank you so much 🙇🏻‍♂️🙇🏻‍♂️🙇🏻‍♂️

The substrates often hold lots of minerals/nutrients, and those will be released into the water when first set up! The daphnia will eat the algae, when I used to keep daphnia as fish food I fed them algae.

If you have daphnia they will love it! It isn't unusual that this happens, but it isn't much of an issue and probably just the minerals/nutrients released by the new substrate, which is why most substrates need running in. Don't worry too much as it will clear in time but a large water chang each few days will dilute the algae and excess minerals/nutrients each time it is done and it will gradually clear and settle down. You should also reduce the light or even turn it off for a few days as that should help. As you only have a week before the shrimps I would do a large water change every 2 days and turn the lights off for now!

I do 80% water change but still theres green water and they bloom again Can i put some dapnia so that they eat the green water?

As long as you do it as just mentioned you can add the minerals the same day and that shouldn't be a problem. The green water is algae bloom which may be because of the new substrate. If the new substrate says to do specific large water changes then you can just follow their instructions and it is probably part of the normal process and will naturally clear in time. If there are no specified water changes recommended with the enew substrate then you can just do some 50% water changes every few days and it should just clear up without any issues, especially as you aren't using much substrate.

Yes it will arrive on feb 22 . Can i put minerals on feb 22 also before i add the shrimp in the tank? I also have a problem my tank has green water what should i do

Master the diy minerals can i use it on the same day when the shrimps arrive?