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I have never tried the freshwater marimo mossballs but from what i have seen they dont do very well in brackish waters.

Anyone know how to increase pH level?
I am setting up new tank but the pH is only 6.8

Crushed coral is a great way.

Here is a reference piece I keep on my phone.

opae ula related wrote:

7bcd4a798befd3c67748ce70e2a49571.jpg (63.36 KiB) Viewed 8197 times

Here is a reference piece I keep on my phone.

Thank you. I manage to increase the PH to 8.
But i saw all the shrimp hide. They don't swim out..
It started to have algae on the side of the tank. Today i just added biodigest to this renew tank.

When can i add 1 more vital?

Suisho wrote:

opae ula related wrote:

7bcd4a798befd3c67748ce70e2a49571.jpg (58.49 KiB) Viewed 8187 times

Here is a reference piece I keep on my phone.

Thank you. I manage to increase the PH to 8.
But i saw all the shrimp hide. They don't swim out..
It started to have algae on the side of the tank. Today i just added biodigest to this renew tank.

When can i add 1 more vital?

You can dose every 2 weeks with the biodigest but be aware it will reduce algae growth too and that is the shrimps food source.

One question, do i need to perform water change every half a year?
I realised the 1st tank is full of shrimp wastes.

Test your water with a liquid test kit and measure the Nitrate levels, if its above 10ppm then you can go ahead and change some of the water. You can syphon out some poop while you are at it (this sucks the poop/dirt out while pulling water out of the tank). If your water is healthy then i wouldn't worry about water changes.

You can read about water quality in one of my guides: page/water-quality?sid=f94a264a91c3fd1a46f4b51523eec3d2

odin wrote:Test your water with a liquid test kit and measure the Nitrate levels, if its above 10ppm then you can go ahead and change some of the water. You can syphon out some poop while you are at it (this sucks the poop/dirt out while pulling water out of the tank). If your water is healthy then i wouldn't worry about water changes.

You can read about water quality in one of my guides: page/water-quality?sid=f94a264a91c3fd1a46f4b51523eec3d2

Lately the No3 start to went up in my 1st tank. I could see alots of green algae on the window.
But i still see 2 berries shrimp, so i quite worry of water change might be disturbance to them.

How often do you feed the tank? what sort of food and what quantity?