The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Sunsun canisters from eBay are cheap. I've had mine for 3 months now no problems. mine was $90 and it's rated for 150 gallons. So the 75 one should be cheaper. You can also get a Rena XP3, better quality/
I just bought a filstar xpl medium on dr foster and Smith for $85. Its rated for 75 gallons. But if you have a 75 gallon look gor something around 500-600 gph. Unless you have an extremely low stock, it might not be sufficient.