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12

Baking soda (sodium bicarbonate). It's naturally occurring, and to get a level of toxicity to animals you would need to get to 450mg per liter. Unless you're operating a mine or using literally tons of the stuff, it's quite safe and you'll never get near that. From a 2008 USGS study: Chronic toxicity was observed at concentrations that ranged from 450 ...


9

Even for "multi-week" trips, brushing with water alone is not going to compromise your tooth health. The abrasive action of the brush does most of the work, and missing the flouride hit for a few days won't affect your teeth in the least. Plus, it saves weight. So, the best LNT option: don't use it. If you MUST use toothpaste (or an alternative), try a few ...


4

You can also use Miswak, then you don't need to cary a tooth paste along but still have medicinal benefits, instead of having to use just a toothbrush with only water (although there is no harm in that either). The miswak (miswaak, siwak, sewak, Arabic: سواك‎ or مسواك) is a teeth cleaning twig made from the Salvadora persica tree (known as arak in ...


3

The cheapest ways to try cross country skiing are borrowing equipment, yard sale equipment, craigslist, or rentals. If you like it, and rent frequently, that stops being cheap. If you make friends who run or are otherwise active, ask around, and someone might have a spare set of skis and poles they can lend you - you can find them for a few dollars at yard ...


2

You could use "toothy tabs" tablets, sold by lush. The tablets are solid toothpaste. They consist chiefly of kaolinite, baking soda, and essential oils. Besides being non-toxic and biodegradable, they are also lightweight, small, and the packaging is plastic-free. If you want to be 100% certain, you could just use baking soda or make your own tooth powder. ...


1

I agree mostly with @LBell's answer: just using water to dislodge food debris is enough! However, I felt I should write against Dilute it - in some areas, the recommended method is to spit normally, then urinate on it so there is not a large gobble-worthy glob for some critter to munch on. Mammals are known to often dig up and lick our pee spots to ...


1

Because Toothpaste is nothing else than some kind of polish, you could use precipitate chalk. Or just brush with water. For the fresh feeling just chew some spearmint leaves.


1

It is possible to get the gear relatively cheap. Search on ebay or the kind. Search on internet forums where outdoor enthusiasts hang around and offer their used gear on a market place. I know such forums for Germany and Austria but I am sure you will find the kind in Canada too. I have to say I trust those guys more compared to ebay because I think there ...



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