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 | Refill Bottles
DO NOT BUY REFILLS UNLESS YOU ALREADY HAVE A SET. - you will need the box (for safety) and the instructions (to tell you the reactions).
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 | Safety
Gloves, goggles etc, for working with acids. The chemical testers contain mostly acid, the electronic testers have a contact fluid (or gell) made of acid. We do recommend the special acid-proof gloves; the goggles (or face-protector) are more 'optional'. |
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