No.24845
You can test water filters by boiling the filtered water down to nothing. After all the water has evaporated, you'll be left with the remaining minerals/contaminants. Do the same with unfiltered water, or other filters, and compare.
No.24846
>>24844That one's like 25 bucks right? I'll probably get that
No.24872
seriously though i feel like my roommates that drink straight out the tap are all balding and old
No.24882
>>24872They're probably balding from the stress of having to deal with a retard like you.
No.24888
>>24882whatmin ban this bully
No.24890
>>24882>>24889samefag, whatmin banhim
No.24895
>>24892grow the fuck up like we nen grownups dumb crying teen