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Posts by Andrew Jennings‭

29 posts
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Q&A Dangers of swimming with algae (potentially Eurasian Watermilfoil)

You can indeed get sick from swimming in algae, if the algae is a bloom. Not all algae in lakes is harmful - in fact, it shows that the lake's ecosystem is alive. But too much algae can be danger...

posted 7y ago by Andrew Jennings‭

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Q&A How does water depth affect swimming safety? Why do signs, especially in the UK, say "DANGER: deep water"?

Some commentary focuses on quarries and industrial lakes. I am not of the opinion that that makes a difference: what's down there (ie, machinery, rock ridge formations, etc), and what's in the wat...

posted 7y ago by Andrew Jennings‭

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Q&A What's the fastest way for a single person to setup a tarp umbrella/leantoo in the rain in a nothern temperate forest?

Lean-tos are hard-sided structures, and are not really meant to be set up quickly. As a hiker and scouter, I and my group carry tarps all the time, and expect rain to greet us wherever we decide t...

posted 7y ago by Andrew Jennings‭

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Q&A Double half hitch, versus two half hitches?

Looking closely at the photo, the knots are very much different. In the lark's head, the running end is inside the knot; that means, as tension is applied, the knot will tend to tighten on the sta...

posted 7y ago by Andrew Jennings‭  ·  last activity 7y ago by System‭

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