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  1. dw1305

    Hello from Blackpool UK. I have been keeping tropicals for almost 80 years.

    Hi all, It is usually the other way around with temperature and sex in Apistogramma, higher temperatures lead to more males. <"https://www.apistogramma.com/forum/threads/apisto-borellii-opal-sex-ratio-of-fry.25050/#post-121919">. I kept Apistogramma trifasciata for a while, the problem I had...
  2. dw1305

    Welcome from the Sunset Capital of Florida!

    Hi all, Welcome and please don't take this the wrong way, but your tank isn't ideal at the moment. There is a lot of misinformation on web sites and forums, but you will receive good advice here. Have a look at @apistobob's web pages...
  3. dw1305

    "Food web" in a south american biotope tank

    Hi all, When I found the Crangonyx originally I had <"all sorts of nightmares"> about them being the "Killer Shrimp" (Dikerogammarus spp.) before I found out what they were. cheers Darrel
  4. dw1305

    how to deworm wild caught discus

    Hi all, I'm not a Discus keeper, but if I was? I would listen to Larry's (@Apistomaster) advice, he is the man who can. cheers Darrel
  5. dw1305

    "Food web" in a south american biotope tank

    Hi all, I think you should be able to get some, possibly via ebay? and possibly from Germany? Asellus aquaticus is native and really common in vegetated water all across N. Europe. Crangonyx pseudogracilis is native to N. America, but very widely naturalised in Europe. They both have pretty...
  6. dw1305

    "Food web" in a south american biotope tank

    Hi all, You could try Asellus aquaticus and Crangonyx pseudogracilis <"https://invasions.si.edu/nemesis/species_summary/95082"> as tank janitors / live food <"https://www.ukaps.org/forum/threads/live-food-culture-crangonyx-pseudogracilis.41351/"> they are much more tolerant of poor / acidic...
  7. dw1305

    Coral Reef tank for a planted dwarf cichlid and othes display aquarium.

    Hi all, I should have put a link in for that: <"https://www.practicalfishkeeping.co.uk/readers-visits/your-tanks-tai-streitman/">. cheers Darrel
  8. dw1305

    Coral Reef tank for a planted dwarf cichlid and othes display aquarium.

    Hi all, Have a look at Tai Strietman's tanks. Shrimp would be a non-starter, and neither Corydoras or L. numbers ideal as they like caves and the basal area of the tank Cheers Darrel
  9. dw1305

    Electric Blue Rams fighting.

    Hi all, Have a look at Bob Wiltshire's (@apistobob) <"web pages"> on <"dwarf cichlid care">, they are full good advice. I'm a huge fan of planted tanks, they make fish keeping a lot easier, and <"I've developed a technique"> where you use the growth and health of a floating plant as an...
  10. dw1305

    Advice on buffering water

    Hi all, Welcome to Apistogramma.com. Just use your water from the tap and add some humic compounds. If you haven't kept planted aquariums before? You need <"some plants for this one"> and a lot of cover for the fish. I like Bob Wiltshire's (@apistobob ) advice on tank management...
  11. dw1305

    Help me choose an RO filter

    Hi all, It makes a huge difference. We get through a lot of DI water (and consumables) at work, and the consumables are because the tap water is about 18dGh / 18 dKH and ~700 microS. At home we have similar tap water, but I just use rain-water in the tanks. It stops me from keeping any real...
  12. dw1305

    Sexing apistogramma trifasciata

    Hi all, The males really don't like one another from an early age, so behaviour should give you a clue. The males also don't like females that aren't sexually receptive, but they tend to drive these away rather than just trying to kill them. cheers Darrel
  13. dw1305

    A. Caucatoide breeding

    Hi all, "30 days" and about 26oC for 50 : 50 male : female. cheers Darrel
  14. dw1305

    When to give my new A. cacatuoides their first meal?

    Hi all, Do you have any live food? Particularly something like California Blackworm (Lumbriculus variegatus) which won't foul the water if the fish don't eat it. cheers Darrel
  15. dw1305

    Gammarus..?

    Hi all, Fish will definitely eat them. I've found they are a <"lot more persistent"> in the tanks than <"Crangonyx pseudogracilis">, which seems to be much more palatable to most fish. I don't know if that is just because the Asellus are better at hiding...
  16. dw1305

    Gammarus..?

    Hi all, They are Asellus, rather than Gammarus, this makes them more suitable for tropical tanks. Cheers Darrel
  17. dw1305

    blackwater tank cycling?

    Hi all, Same for me. Conductivity is a nice straight forward, linear measurement, If you don't have many ions you have soft water, easy as that. cheers Darrel
  18. dw1305

    what dead leaves used in tanks

    Hi all, I was probably over cautious. Walnut trees contain a number of toxic compounds, but since I wrote that people have fed the green leaves to shrimp etc Cheers Darrel
  19. dw1305

    blackwater tank cycling?

    Hi all, Something isn't quite right there, the "EC" electrical conductivity value (microS / cm) should be higher than the ppm TDS value. I know what they mean, but it isn't as simple as that, have a look at <"All the leaves are brown"> &...
  20. dw1305

    blackwater tank cycling?

    Hi all, I agree with @MacZ , probably lower, but if it is a planted tank? Then the plants will remove net CO2 from the water during photosynthesis and the pH will rise. Plants (and photosynthesis) are a good thing for tank health, and you haven't actually increased the alkalinity level, you've...
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