samedi 1 novembre 2014

I'm so confused

So I've had cyano for the past few months and it's been a constant battle. The cyano seemed like it was finally getting under control until yesterday when I did a 25% water change. Now the cyano is back and stronger then it's been in a while.



TDS reads 0 and my hanna phosphate checker reads 0 as well. Why would a water change cause a cyano outbreak to get worse? In theory it should make it better. Anyone have any ideas?




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