Hey science lovers and home testers! This massive 24-roll set of pH test strips is exactly what you need for all your acidity and alkalinity testing. Each roll gives you a whopping 16.4 feet (that's 5 meters!) of continuous test paper, so you'll have enough for countless experiments and tests. The full 0-14 range means you can test everything from super acidic battery acid to seriously alkaline drain cleaner - though hopefully you're testing more everyday stuff like your fish tank water, hydroponic garden nutrients, or household liquids. Using these is a breeze: just tear off a small piece, dip it in your liquid or press it against a damp surface, wait a few seconds, then compare the color change to the included chart. The color intervals are clearly marked at every whole number from 0 to 14, making it easy to get accurate readings. Perfect for science teachers setting up classroom labs, gardeners monitoring their hydroponic systems, aquarium owners keeping their fish happy, or curious kids doing science fair projects (with supervision, of course!). The roll design is super convenient - no more fumbling with individual strips or worrying about running out mid-project. With 24 rolls totaling nearly 400 feet of test paper, this set will last you through years of testing adventures. Whether you're a serious scientist or just someone who likes to know what's in their water, these reliable pH strips have you covered!
Free 30-day returns 
Free 30-day returns
