- It is forbidden min haTorah to read Krias Shema opposite a stream of urine or next to urine that smells. But if it is collected in a puddle or in a vessel and does not smell, it is forbidden m’derabbonan. The rabbonon said that a revi’is of water can nullify the urine whether placed before or after the collection of urine. (Sha1-MB2)
- If it smells, then only enough water to remove the smell will work to nullify it. (MB2)
- If the vessel is designated for urine, even if there is no urine in it you may not read Krias Shema next to it – water will not help. (Sha1 – MB5)