Some questions for you:
--What is the source of your fill water?
--Does it have metals in it?
--Is your pool a freshly filled new pool?
--Is your pool green and cloudy or green and clear?
--What all have you previously put in your pool --- meaning ingredients and not just product names like 'shock' or 'algaecide.'
--Do you have a drops-based test kit? If so, what type?
The test kit that we think is by far the best is the Taylor K2006 or 2006C (better buy). Not available locally but you can get it through this link that takes you to Amazon: http://pool9.net/tk/
In the meantime if you don't have a drops-based kit at all, go to Walmart and see if they have the HTH 6-Way drops-based kit (no test strips!) and get that. If they don't, get an OTO/Phenol Red kit (yellow and red drops) instead. Use it to test and then post your numbers. Also while you are at WallyWorld, get several jugs of their generic 8.25% bleach and a couple of boxes of 20 Mule Team Borax (laundry aisle).
Repost with requested info and then someone here can try and help you.
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