power heads need help?

[perezmk1982]

what kind off power heads can i buy for my 400 gallon tank. that stays in my 1" inch acrylic tank. i got the mp40 vortec and the acrylic was to thick. any one knos what kind off models can i get so it doesnt fall off?

 

[D1J8Z]

too late to drill the tank for a closed loop ?

 

[perezmk1982]

yes!