Others think so, and they do to a CERTAIN extent.
BUT, the 4 port air pumps I use from PetCo/PetSmart are rated for 10 - 250 gallons and costs $20 each.
I highly recommend PetCo's black silicon hoses too.
They are very soft and flexible, but won't get pinched from the weight of the lid and plants.
I have 10gal in my 12gal coolers.
The insulated styrofoam comes 4ft x 8ft at Lowes for around $20 - $25.
I made 4 lids with 5 inch holes.
2 lids with 2 holes each ( 4 my clones and big plants after this grow).
2 lids with 4 holes each.
And I still have enough to make 4 more lids easily.
Wrap it ALUMINUM FOIL TAPE.......NOT DUCT TAPE.
The chems from the nutes don't affect the aluminum nor cause chemical reactions with it.
Simply wash the salt build off after harvest and go at it again ! lol