After new OTA clockwork recovery mode not working

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http://forum.xda-developers.com – So I went back to stock rom after trying several rom and I got a update notification so I just downloaded it and then I check with Samsung Kies and I have the latest stock rom. Now I lost root access so I rooted my phone again and flashed clock work recovery using Odin took out the battery before first reboot so it doesn't overwrite it and reboot directly to clock work recovery! Now whenever I want to boot into recovery again it doesn't work! It goes to the stock recovery not the one I flashed!! How can I fix this? I'm sure it's got something to do with the OTA update!! Please help!! (HowTos)