It looked brighter as I'd done a W C but hadn't added any blackwater concentrate and my phone lightens things a bit too but the fish don't seem to care what colour the water is.[DOUBLEPOST=1402583842][/DOUBLEPOST]
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It certainly could, "cation exchange" is exactly that exchange, and an alkaline metal ion like potassium (K+), would less tightly bound to the clay and potentially be exchanged for a proton (H+), if there was a high concentration of H+ ions in the tank water.Is the TMC nutrasoil buffering up to the 6.5 mark. I know people generally use it to drop the pH to that level, but maybe it also increases pH to that as well?
I'd be happy with pH5.5, I think even most black-water fish will spawn at pH5.5.Something in my tank seems to be buffering the ph up to 5.5
Have you tried just adding the leaves and cones to the tanks? Have a look a these 2 threads on Apistogramma forums <http://www.apistogramma.com/forum/threads/thank-you-ted-judy.17292/> & <http://www.apistogramma.com/forum/threads/keeping-low-ph.12720/>.'ve also been adding concentrate made from boiling catappa leaves and alder cones.
I do remember you warning me of this re using peat balls. I could kick myself!It certainly could,
There is a huge amount of leaf litter at the back of the tank and loads of cones. I found they altered little.Have you tried just adding the leaves and cones to the tanks?
I was just worried about egg survival.I think even most black-water fish will spawn at pH5.5.
I think this is probably the case as Darrel had warned me it might cancel out the effects of peat but I hadn't imagined it would buffer up the wayI would look to the substrate Lindy.
I've used tap in the past but recently been using rain water.Are you using Ro/Di or tap water?
Bummer about the chocos but at least you will have a nice mature (and bloody great looking) tank for them when you finally get some
Duckweed Lindy
That leaf is enormous!