Recent content by wouternet
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Can you make hydrogen peroxide for aquariums at home?
Hello, this is my first post and i wanted to ask the following: How can you make H2O2 (hydrogenperoxide) yourself, because if saw in the store the other day a aquarium oxigizer (so your fish don't sufficate) wtch uses H2O2 in a percentage of 4.9%, but the stuff costs 5 bucks a bottle and only...