sump ?

[slant77]

i have a 3.5 month old tank with a wetdry set up i plan to add 24"x14"x14" addition. and take out the bio balls. this is one idea have well this work or should i make some changes thank.

 

[bertoni]

If you want to grow macroalgae in the sump, you would want more baffles before the return pump. Other than that, the plan looks reasonable to me.

 

[slant77]

why is that

 

[bertoni]

Oh, the baffles would help keep the macroalgae out of the return pump.