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Recent content by dw1305

  1. dw1305

    Siporax and pH

    Hi all, That should work. The issue isn't really with the Siporax, but with pH as a <"measurement">. You can't meaningfully measure pH in RO water, because it doesn't start with any solutes and any addition of bases ("proton acceptors"), however small, will cause a rise in pH. You can...
  2. dw1305

    Deficiency symptoms in H. leucocephala – magnesium or iron deficiency?

    Hi all, It should perk up fairly quickly if magnesium (Mg) is Liebig's limiting nutrient. Cheers Darrel
  3. dw1305

    Deficiency symptoms in H. leucocephala – magnesium or iron deficiency?

    Hi all, Yes, that is definitely where I would start. Cheers Darrel
  4. dw1305

    FOR SALE – Polar Dwarf Cichlids

    Hi all, As we are both members of this forum and UKAPS, and to save you some time, this is really a forum for keepers of W. African and S. American dwarf cichlid species. You won't find (m)any members who have an interest in hybrids or hard water C. American cichlids. Also the majority of...
  5. dw1305

    Deficiency symptoms in H. leucocephala – magnesium or iron deficiency?

    Hi all, Yes, I think that is probably it. Have a look at the <"Duckweed Index">, I'm <"absurdly proud of it">, but it does work. It has never lasted for me. I think it <"needs more nutrients"> than either of us offer. What @MacZ says, either iron (Fe) or magnesium (Mg). If it is magnesium you...
  6. dw1305

    German Blue Rams keep dying

    Hi all, @Arnold I agree with the others. One of the great things about this forum is that you will always get an honest answer, it might seem harsh sometimes, but advice is always given with the best intentions. Personally I'm not a very good fish keeper, but over time I've found mechanisms...
  7. dw1305

    German Blue Rams keep dying

    Hi all, They are unhealthy things now unfortunately. I really like them, but I wouldn't buy commercially raised fish. They need soft, clean warm water, how hard is the water? Can we have a full tank shot? It just makes life easier for us. Cheers Darrel
  8. dw1305

    Any opinion on a. arua ?

    Hi all, I just enjoyed it. That is a very kind offer, but I think I probably gleaned enough. Cheers Darrel
  9. dw1305

    Why do sites report PH ?

    Hi all, It tells you about the relative abundance of acids - "proton donors", and usually that tells you the relative proportion of bases "proton acceptors". This back to the CO2, bicarbonate (HCO3-) and pH equilibrium, pH levels are regulated by the level of atmospheric CO2. When you add CO2...
  10. dw1305

    Why do sites report PH ?

    Hi all, They are, and it isn't helped by various charlatans talking about "pH stability" so that they can sell them the World's most expensive sodium bicarbonate (NaHCO3), or some other useless product. People like being proactive, and they also like black and white answers in a "shades of...
  11. dw1305

    Why do sites report PH ?

    Hi all, I don't think it does, my opinion is that pH isn't a very useful measurement in water with very low solute levels. I prefer conductivity as a measurement, it tells you that any addition of acid - H+ "proton donors" will lower pH. It is less "useful" than pH, but much more...
  12. dw1305

    Any opinion on a. arua ?

    Hi all, That is a great video, even though I can't speak German. Cheers Darrel
  13. dw1305

    Siporax and pH

    Hi all, You can use floating cell media, hydroleca or reasonably coarse sponge. Personally I'd stick with Siporax, now you've got it. I'm assuming you have soft water, so the pH rise doesn't reflect a large addition of acid, and they shouldn't effect pH once they are rinsed. Cheers Darrel
  14. dw1305

    Does GH really matter in KH+GH

    Hi all, I don't really care, our rainwater is usually about 30 ppm TDS, I assume that is 1: 1 dGH : dKH but I've never checked. Cheers Darrel
  15. dw1305

    Evolution Of A 70L Apistogramma Tank.

    Hi all, Ah no, Mike only mentioned it 5 minutes a go and now it's already for sale ....... Cheers Darrel
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