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  1. dw1305

    Substrate for dwarf cichlid breeding tank

    Hi all, edit: what the other posters say. I would prefer to leave the tank set-up, even when it doesn't have any inhabitants, that way you get an <"established tank"> if fry are produced. I've done this for a while...
  2. dw1305

    ro vs distilled water?

    Hi all, If you have a soft-water input to the RO filter you get a better yield ratio and the units last longer. Our tap water is about 600 microS (~ ppm TDS) and the DI units, <"in the labs."> at my former workplace, (I've just retired) used to get through a lot of consumables. cheers Darrel
  3. dw1305

    Ultrasoft Clearwater Livestock Options for Male Panduro

    Hi all, Edit what @MacZ says. That is the one. Conductivity is a linear scale from DI water at ~2 microS / cm, (it isn't 0 microS, because of the ionic component (H+) of dissolved CO2) to sea water at ~ 50,000 microS (50 milliS). As an example of "freshwater", our tap water supply is from a...
  4. dw1305

    White spot/indent near A.Cacatuoides head. NEED HELP

    Hi all, That unfortunately. cheers Darrel
  5. dw1305

    Apistogramma Being Aggresive

    Hi all, You honestly need both. Have a look a the links in <"https://apistogramma.com/forum/threads/rescaping-30gallon-long.24591/#post-117958">. cheers Darrel
  6. dw1305

    Should Apisto Agassizii be kept in threes?

    Hi all, Two females has always been a recipe for disaster with me as well. It will tell us a lot more <"https://apistogramma.com/forum/threads/sexing-please.23154/#post-107826">. cheers Darrel
  7. dw1305

    Is my male safe in a breeding tank?

    Hi all, I have Malaysian Trumpet Snail (Melanoides tuberculata) in all my tanks where the water is hard enough for them. I use very fine "play sand" and I've never had any problem with it <"https://apistogramma.com/forum/threads/hth-pool-filter-sand-for-agassizii.25838/#post-128536">. cheers...
  8. dw1305

    Atahualpa hiding

    Hi all, That one. It isn't a big enough floor area even for a male and femal. cheers Darrel
  9. dw1305

    question on keri tetra

    Hi all, I haven't kept Dicrossus filamentosus for a long time, but I think they are a black water fish? This was a thread from 2012 <"https://apistogramma.com/forum/threads/1st-d-maculatus-spawn.12389/#post-69282">. cheers Darrel
  10. dw1305

    question on keri tetra

    Hi all, I managed to bloat my pair of Dicrossus maculatus. I think they need fairly careful feeding as adults. Cheers Darrel
  11. dw1305

    question on keri tetra

    Hi all, Black water fish are very prone to infection if kept in harder water without tannins etc. They also can eat themselves to death if overfed. Yes, that is the point, clear water has plenty of food available, but black water is food poor and the fish that live there are extremely...
  12. dw1305

    question on keri tetra

    Hi all, Blackwater fish are often difficult to keep long term, but Mike is right feeding them isn't usually a problem, as they eat whatever they can fit in their mouths. cheers Darrel
  13. dw1305

    Apistogramma piaroa A165 not doing well

    Hi all, You don't need that much dGH, a lot of plants will get by on "petrol fumes". Have a look at the "Duckweed Index", it is a technique for adding nutrients when the plants need them, rather than by rote. Cheers Darrel
  14. dw1305

    Apistogramma piaroa A165 not doing well

    Hi all, Is there a reason for having that much dGH? What @MacZ says. cheers Darrel
  15. dw1305

    question on water hardness and leaching

    Hi all, You don't need to, that is an incredibly small amount of ions, so they are both (dGH & dKH) less than one. Conductivity is temperature dependent as well, higher temperatures cause increased electrical activity. Likely. That is it, it is a tiny addition of ions. cheers Darrel
  16. dw1305

    apistogramma agassizii tank mates

    Hi all, An advantage of a floating plant is that they always have access to atmospheric CO2 <"https://gml.noaa.gov/ccgg/trends/"> and they have <"relatively little structural tissue">, so that they can respond to changes in nutrient levels relatively quickly. Pistia stratiotes ("Water...
  17. dw1305

    apistogramma agassizii tank mates

    Hi all, It is not just a "pretty face" you can use it as indication of nutrient levels in your tank as well, have a look at: <"https://www.ukaps.org/forum/threads/what-is-the-“duckweed-index”-all-about.73647/">. Amazon Frogbit (Limnobium (Hydrocharis) laevigatum) is actually my "Duckweed" of...
  18. dw1305

    apistogramma agassizii tank mates

    Hi all, I'm a Frogbit fan as well. Cheers Darrel
  19. dw1305

    apistogramma agassizii tank mates

    Hi all, You should find it propagates pretty readily, there are images in @Tom C 's article: "Collecting in Pebas, Río Orosa and Río Shishita 2008" - <"https://www.tomc.no/page.aspx?PageId=64">. cheers Darrel
  20. dw1305

    apistogramma agassizii tank mates

    Hi all, Water Lettuce (Pistia stratiotes) is biotope appropriate. I think it depends on your sense of scale, I see the riverine and "flooded forest" trees as amphibious plants. Cheers Darrel
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