Water outside invisble

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Hello iam woking L4D2 map wih hammer editor


I can see the inside of water but outside is invisble. I have watch a lot o tutoials i do the same follow steps one by onhe but it wont show water. Skybox is ok i have put fog controler on Enable + Cubemap face water no effect now iam stuck here.

need some help. Please

THx

Subo