Take a records set built on five fields, kept identical every time: dated test results, an onset and progression timeline, recent additions to the tank, feeding details, and dated shell photographs. A mystery problem in a snail tank, such as shells pitting, snails staying shut for days, or deaths with no obvious cause, rarely yields to a single glance at one snail in a bag. A shop assistant or vet works like a detective, lining up water chemistry against dates, changes against symptoms, and shell condition against feeding, looking for the moment the pattern started. The five fields below give them that pattern on paper, and they are worth assembling before you travel, while the tank and your memory are both in front of you.
Dated Test Results and the Timeline
Dated test results means a short table, not a verdict: for each test day, record the date, ammonia, nitrite, nitrate, pH, hardness, temperature, and the result for each as your kit reported it. Test the tank water on the day you notice the problem and again before your visit if days pass, and bring a sample of tank water as well, since many shops will test it alongside your figures and any difference between the two readings is itself useful information. Write down the results even when they look normal, because normal values rule out whole families of causes and narrow the investigation. The onset and progression timeline sits beside the results: when you first noticed something wrong, which snails showed it first, how the signs changed day by day, how many snails are affected now, and whether activity, appetite or shell appearance changed before anything else. Write honest approximations rather than inventing a precise hour you do not remember.
Recent Additions and Feeding Details
Recent additions to the tank means everything that entered the water in the weeks before the problem began: new snails, fish or shrimp, new plants, new decor or substrate, a new food, a new water treatment or fertiliser, and any change of water source or routine. Give each addition its date, since an addition that arrived two days before the first signs tells a very different story from one that arrived two months earlier. Include things that feel too small to matter, such as a borrowed plant from a friend's tank or a different brand of dechlorinator, because small changes are easy for you to forget and valuable for the person investigating. Feeding details means what the snails are offered, how much, and how often: the vegetables, algae wafers or prepared foods in rotation, any calcium-rich foods or cuttlebone provided, how long food stays in the tank, and who else competes for it. Snail shells are built from diet and water together, so feeding notes let the shop or vet weigh a dietary gap against a water problem instead of guessing between them.
Shell Photographs and Handing the Set Over
Dated shell photographs means clear pictures of affected snails and at least one healthy snail for comparison, taken from above and from the side, in the tank's normal light, without flash glare. Photograph new growth at the shell edge as well as older shell, since the boundary between old and new growth often shows when a problem started, which ties the photographs back into your timeline. Take fresh photographs every few days while the problem continues, keep them in date order, and never delete the early ones that look unimpressive, since progression across photographs is evidence no single picture can give. When you hand the set over, walk the five fields in order and let the shop or vet ask questions against the paper, and write down any advice, product names or next test dates they give you before you leave. If they suggest a vet visit or further testing, the same set goes with you unchanged. Pet Passport in KinsLe stores that five-field records set with the tank's other notes, so the next mystery starts from a complete history instead of a blank page.