12-16-2012, 02:23 PM
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Originally Posted by Byron
I wouldn't connect the two [meaning the flashing and the wood] unless the wood came from a tank with fish at the store, in which case it could carry protozoans. As for the change in pH, this is not usually significant, maybe one decimal point if that, unless the tank is very small, the GH and KH are very low, and the wood is huge.
I have found Mopani to be worse for tannins than Malaysian Driftwood, plus the Mopani floats until it is waterlogged (or you somehow hold it down). Fungus might be a problem, though I am still not sure if this is more with grapewood or Manzanita wood than Mopani, as all three look the same to me and stores may well mis-label them.
I had a piece of wild collected wood in my tank and for months my platys glanced. I chased ghost problems until I pulled the wood out and did a 50% wc. The next day there was no glancing and the platys behavior changed. The breeding became more efficient. The females became more receptive. Four days later I bought some Mopani (although it sank ), soaked it over night and put it in. 2 days later, when the water darkened, they started glancing and the females went back to being relatively unreceptive. My water comes out of the tap at PH-7.5. Currently the tanks PH is 7.6 but I've done several wc over the last 2 days. So maybe it's not a PH problem. What is happening ?