Hi, My wife and I have retiren to southern Spain and we have a smallholding growing organic avos and mangoes as well as other goodies for our own kitschen. We had no intention to start with animals until friends challenged us: chicken are so easy, just water and pellet feed, no hazzle at all. So we did - anout a dozen of each: New Hampshire, Araucana, Great Jerseys, Marans and the late addition of Malines. The intention is to have an interesting egg basket, wonderfully tasting eggs and great meat (not yet tested). We escape the Spanish summer by spending July and Aug in sunny Norway woth natural airconditiining. As we returned early July it only took a few days and we lost four chicken the same day. We attributed this to the drinking water. Three months earlier we had started to add a bit of applecider vinager to the drinking water for a health boost and avoid algea contamination. As we poured out the water it had a strong smell and very red. Since we now use clean reguler water no further accidents. Has anyone else experienced unimtended side effects with vinagre? Looking forward to hear of any other positive and negative results.