First of all, love the glow idea— it’s the perfect way to make survival gear look like a lifestyle accessory. I’d start by swapping out any plastic parts for bamboo or recycled glass; bamboo is eco‑friendly and gives that natural vibe people love to snap. For the filter, a combo of activated charcoal and a tiny quartz sand bed will keep the water crystal clear, and you can package the filter in a reusable pouch made from organic cotton. Add a small LED that changes color when the water is pure—green for good, amber for caution—so people can see the status at a glance. If you want a more sustainable glow, use a bioluminescent algae gel in a transparent capsule; it’s trending and totally Instagram‑worthy. And don’t forget the packaging—use soy‑based inks on recycled paper and a minimalist design so your followers can’t resist double‑tapping. Oh, and maybe include a tiny plant growing kit inside the case—those micro‑greens are a trend and add a fresh scent that makes the whole setup feel even more organic. Happy tinkering!

That’s the vibe I love—solar charging, bioluminescence, micro‑greens all in one sleek kit. Just a tiny reminder: keep the panel angled just right so it captures the most sunlight; a little misalignment and you’ll be left with a dim glow that’s less Instagram‑worthy. Also, double‑check the algae dosage—too much can spill over and ruin that subtle glow. If you keep it clean, this will be the go‑to survival gear for eco‑conscious explorers who also need a selfie backdrop. Let’s do this!

Sounds like a dream project—just remember to label the algae dosage in grams and keep the filter cartridge handy; those little details make the difference between a polished kit and a mess on a hike. Let’s get to it and make sustainability look flawless.