Planted Tank Guru
Join Date: Dec 2017
Location: Elk Grove, California
Sometimes I do, sometimes I dont. It depends on who Im getting them from and what they are. [That said, I wouldn't recommend doing that if you are unwilling to "pay" the consequences by having to replace fish if it all goes wrong ].
Some things that help: Dont buy from a LFS that has a centralized filtration system for all tanks. Know their quarantine processes. Ask when the fish came in? Did they treat these fish with any medications? Observe fish for a few days before buying. Are they eating? Are their fins extended and they interacting with other fish ( if gregarious species). Is their stomach rounded - not sunk in or distended as if bloated? Are there eyes clear? How are their fins and scales free from wounds, tatters, scrapes, erosion?
Personally I buy from small, specialty online retailers ( discus from discus breeders, cichlids from specialty breeders/importers, local breeders at Aquarium Society, etc...) The exception would be Wetspot. It is a large online retailer, but I have never got Ich ( or any other disease) from their fish , and I have ordered from them over a dozen times.
As a rule, however, I always assume Ich is present and treat for it. Anytime I get fish, no matter where they come from, I always proactively treat with Paraguard to eliminate the risk of Ich. In addition to the malachite green that treat Ich, it also contains metheleyne blue and acriflavine. These active ingredient help to heal any minor scale injuries, tattered fins, scrapes from netting, shipping, and acclimating. With all my wild fish, they are also proactively de-wormed with praziquantel.
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