Converting Baquacil to Bleach

[supermom]

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pic 1 is pre-bleach, pic 2 is day 1, pic 2 is day 2, pic 3 is complete and clear!!
We have completed our conversion!!! We have held Cl level 2 nights straight! I have hopefully uploaded these pics for you to see the conversion. Now if I've read right we want to change our sand then have TC at 3ppm and add CYA till we reach 30-50ppm and keep pH around 7.5! Is this correct? To add the CYA we put it in a sock and place it in our skimmer or tie to ladder--is that right? During this process ( a few days I understand it will take to dissolve) where do we keep our Cl level? Also our TA is still around 270--do we need to worry about it yet our get everything else stabalized? Right now we have TC of 10, pH of 7.3 and TA of 270. I have on order a kit to do the FC and CC because right now I can only to TC. Also, we would like to get an auto cleaner. Any suggestions? We have a 21' ag vinyl that is quite bumpy on the bottom. We thought the Kreepy Krawly or the Dirt Devil? Any other suggestions! Thank you all a MILLION!! We are SO happy so far and hope this is the best swim summer yet!!!