For PALS members only, Petco retail stores offer select Aqueon Glass Fish Tanks
for $1 per gallon
. (Enter your ZIP code and go to page 8 of the online circular to see this deal.) (PALS membership is free; click here
to sign up.) With prices starting at $10
, that's tied with our December mention as the best aquarium prices we've seen. Sales tax is added where applicable. Available sizes are the 10-gallon, 20-gallon, and 40-gallon, although stock will vary in your local store. Deal ends April 27.