Looking for recommendations for regular PLA filament

I bought a used Prusa i3 which came with some spools of filament. I'm at a point where I want to buy more. None of the existing spools have any useful markings on them, so I can't just buy what I've been using.

Looking for recommendations for regular PLA 1.75mm filament.

I'm assuming that when I switch filament manufacturers that I'll have to go back and re-test hot-end and bed temperatures all over again for best prints. So I want to start with a source that will continue to be around. And obviously cost is a factor.

Or am I making more of this than I need to and just go on Amazon and get something?

Thanks.

rerapper tech ltd.
Best I've used and modestly priced as well.
Big chinese company so stuff should be available wordlwide.

$8.29+/Spool PLA Filament by AIO Robotics. 2-Day Shipping via Amazon Prime. Here is the link to their website: http://www.zeus.aiorobotics.com/#!filament/ijf5x

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Originally Posted by 3dprinterfan

$8.29+/Spool PLA Filament by AIO Robotics. 2-Day Shipping via Amazon Prime. Here is the link to their website: http://www.zeus.aiorobotics.com/#!filament/ijf5x

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So, $20usd per kg. Reasonable price. For colors that you don't use much of that is a great idea.