Hello nice people need ur help!

[artofeden]

I have 6 marimo ballls 3 i bought in a fish store and 3 in ebay
the 3 from the store are healthy green and good looking
the 3 from ebay are looking sick and the color is brounish and they are very sofy
(too sofy)
I put all of them in a smal tank with cold water and floresent light with a litlbit salt
here r some pics from m phone u can see the color diffrenses
how can i make them look healthy and green??
photos-

thanks for youre help good people!

 

[revchristinejday]

Marimo balls are a special type of algae so it is possible that the brown ones have had little light. They also may need some fertilizer--fish waste. I don't how salt could help--my plants don't like it. I'd try upping the light for those three.