mine bubbles alot though... not sure why yrs didnt.. it used to be in a 2FT with 2X36 and 1X20W but currently its in a temporary plastic tank cause still planning on my new 2.5FT tank.. it bubbled when it was in my 2FT and also now in the plastic container..
but i also think that those normal ones are greener and nicer![]()
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