jn Posted December 27, 2010 Report Share Posted December 27, 2010 Hi all, had a trip down to queenstown recently and brought back a bit of fine gravel from lake Wakitipu. Was just wondering is its likely to affect my pH? Anybody know? I think that's all schist down there. Quote Link to comment Share on other sites More sharing options...
SamH Posted December 27, 2010 Report Share Posted December 27, 2010 Nope! Perfectly safe Quote Link to comment Share on other sites More sharing options...
Nymox Posted December 28, 2010 Report Share Posted December 28, 2010 I thought schist hardened the water? Quote Link to comment Share on other sites More sharing options...
phoenix44 Posted December 28, 2010 Report Share Posted December 28, 2010 pH neutral. Coral is what is used to harden it. Quote Link to comment Share on other sites More sharing options...
Trilobite Posted December 28, 2010 Report Share Posted December 28, 2010 If its schist, its not gneiss....ah ha ha... Quote Link to comment Share on other sites More sharing options...
jn Posted December 28, 2010 Author Report Share Posted December 28, 2010 Ok, sounds like it should be ok. It's just a temporary tank for a couple juvenile goldfish for now. I'll keep an eye on the parameters and I'm likely to be doing frequent enough wc's. I have to say.. I quite like the effect The gravel isn't rounded, it's all fine,small flattish bits, slightly irregular sizes with a few lumps here and there. Looks pretty cool. Also found a cool stone that is shaped just like a ship . Wish I'd had a bag or container in Kingston.. what a treasure trove out there. The gravel is stunning, smooth and round and beautiful colours.. and the driftwood was making me drooool! I'd highly recommend the short drive out there from queenstown if you're after any additions to your tanks. Quote Link to comment Share on other sites More sharing options...
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