Complex sentence: Coco peat generally has an acidity in the range of pH-5.5 to 6.5, which is slightly too acidic for some plants, but many popular plants can tolerate this pH range.
Split into simpler sentences: Coco peat generally has an acidity in the range of pH-5.5 to 6.5. It is a little on the acidic side for some plants, but many popular plants can tolerate this pH range.