Constant battle with diatoms and some hair algae - what to do?

[Mr. Mojo Rising]

Some pictures will really help.

 

[Raazka]

Diatoms are not typically a problem without a big ongoing source of silicate. What source water do you use for top off and water changes?

Reverse osmosis water as top off. Water changes are done with the same water mixed with coral pro salt at 1.024-1.025 salinity.

 

[Raazka]

Are you running too much white light?

Whites 30%, blues 80%.

 

[Oldreefer44]

As others have said, IMO, two months, especially with with man made rock, is too soon to expect that your tank has reached a stable equilibrium. Patience will be your friend. Likely, the more you try to find solutions other than parameter stability, the longer it will take.

 

[Solo McReefer]

Reverse osmosis water as top off. Water changes are done with the same water mixed with coral pro salt at 1.024-1.025 salinity.

What is the TDS?

 

[Solo McReefer]

What is the TDS?

Are

Is TDS plural or singular?

 

[reefpanda]

Whites 30%, blues 80%.

Reduce your whites to 10% for awhile and slowly ramp up from there.

 

[Raazka]

What is the TDS?

I was told there are barely any traces of minerals in it, so should be below 5-10ppm?

 

[Randy Holmes-Farley]

Reverse osmosis water as top off. Water changes are done with the same water mixed with coral pro salt at 1.024-1.025 salinity.

And that is 0-1 ppm tds?

Assuming so, I’d lean toward any ongoing issue not actually being diatoms.

 

[Randy Holmes-Farley]

I was told there are barely any traces of minerals in it, so should be below 5-10ppm?

Needs to be measured. Silicate is one of the easier ions to get through ro/di.