green water wont go away

[Bifferwine]

You'll just need more rock and sand to put in the 55, but you can definitely switch it over to salt.

 

[shaynep]

You'll just need more rock and sand to put in the 55, but you can definitely switch it over to salt.

i do have more rock and some sand if i used my t5s for the 30 theres 3- 29 watt t5 to are 10k and the other is the blue would i be able to grow some mushrooms with that