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  1. akwarium

    The stone in the river

    Light output is around 20 umol/s for five hours. Thats on a 20% setting. So could be increased. CO2 is around 15 ppm.
  2. akwarium

    The stone in the river

    Hello all, The tank is doing ok, most plants are growing despite the fact the tank is unheated. The cryptocoryne nurii is growing really slow, the eleocharis acicularis is hardly growing at all. I did not expect that.. any thoughts on making it grow better? The moss I want to replace by a...
  3. akwarium

    Critique my scape!

    nice tank, the rocks on the left look great. on the right it looks like multiple rocks are lined up front to back? it lacks a bit of interest and that makes the tank look less balanced in my opinion. I also think the scape would benefit from a midground plant around the rocks, making a more...
  4. akwarium

    Black Background vs White/No Background

    I prefer the frosted background, the plants will grow and make it feel less empty. But it looks more elegant and bigger in my opinion.
  5. akwarium

    Transient Life In Twilight

    cool, what plants did you use?
  6. akwarium

    The stone in the river

    in the front ADA la plata sand. In the planted area filter bags filled with ADA Amazonia version 2 and ADA aquagravel on top. Under the main rock there is also a bag of pumice, raising it a little and keeping it stable. The bags are there to keep the fish from digging into it, not that...
  7. akwarium

    My 60p soft water

    impressive plant collection!:cool::cool:
  8. akwarium

    The stone in the river

    thank you both, for those who care to know: dimensions: 51cm x35 cm x 40 cm DIY lamp with 6500K 2700K en 660nm red LED's, the last two are only on during sunrise/sunset. for 5 hours a day at the moment. filtration is a hydor professional 250, and a hydor koralia 1600 for extra flow. Fish...
  9. akwarium

    The stone in the river

    Hello all, After being without aquariums for some time after changing jobs and moving a couple of times, I found a place to stay for a couple of years and could not resist to set up my small tank again. My main inspiration was a song, called "de steen" (the stone) part of the lyrics go like...
  10. akwarium

    Light colour & algae

    I think you gave the answer yourself. to be efficient in harvesting as much energy as possible from the light that hits them, plants(and algae) also need to absorb the light that is the hardest to adsorb. Because the intelligence of nature(evolution), they have found ways to do so. So like...
  11. akwarium

    Light colour & algae

    I did not say you need full spectrum. I only said it seems to be preferable compared to only blue and red. RGB is by no means full spectrum and still grows very nice plants. For me any ordinary white LED is full spectrum enough (although they usually have very little violets, deep blues, cyan...
  12. akwarium

    Light colour & algae

    yes you are right. But there are some remarks to be made, (note I'm just a hobbyist so by no means an expert) Firstly plant growth is often looked at as the result of photosynthesis and therefor there is a focus on the absorption spectra of chlorophyll a and b. That does not take carotenoids in...
  13. akwarium

    Eleocharis "montevidensis"

    no one?
  14. akwarium

    Riparium

    looks nice! Hydrocotyle tripartita (sp japan) should work very well, there is a dwarf variant if you want even smaller leaves. Mosses would look nice to I think. Carpeting aquarium plants would work to. Micranthemum tweediei (monte carlo) for instance. Or Bolbitis heteroclita "difformis"...
  15. akwarium

    Eleocharis "montevidensis"

    Hello all. For a new tank I ordered a pot of giant hairgrass and I wondered if I should trim back te leaves before planting it? Like I would do for E. vivipara or E accicularis..
  16. akwarium

    Light colour & algae

    Well the proteins in plants and algae are not all exactly the same, Chlorophyll A is universal but the other types of chlorophyll are not. Phycobilisomes and the proteins they are made of are restricted to certain types of algae and cyanobacteria. Other chemicals like carotene and xanthophyll...
  17. akwarium

    Critique my hardscape Opinions, suggestions welcome

    it is a nice concept! I feel the hardscape is a bit to much in the back and on one line from left to right. Moving some of it more to the front of the tank might improve dept and impact I think.
  18. akwarium

    Light colour & algae

    Many types of algae can use green light, Rhodophyta en Cyanobacteria have phycobilisomes to catch that part of the spectrum. That is why they don't appear to be green. If you change your lightning algae usually appear, but with proper maintenance (cleaning the algae away) and care...
  19. akwarium

    Akwarium's Gallery

    it is nearly impossible to get a decent picture, reflections are horrible. but it gives an idea. The tank itself does have more plants then you can see, mostly because it is so dark you can't really see them, but I also did trim all the leaves of the Bolbitis and javaferns. hopefully new growth...
  20. akwarium

    Undergravel filters

    In most of my small projects I don't add co2. if I do the effect is not different then in any other setup with a different filter method. Water movement in an aquarium is strongest where it is actually moved. so near the pump. If you have a spraybar more water will go trough the first hole...
  21. akwarium

    Undergravel filters

    - roots often grow into the UGF making it hard to (re)move a plant. + it is a cheap, good looking and well working filter method. (no hoses, no leaking, no noise, no big black box inside your tank) all other aspects are trivial imo. soil biology, distribution of nutrients and co2... it may...
  22. akwarium

    Akwarium's Gallery

    orchids have arrived:
  23. akwarium

    Deep Tank Light Recommendations

    for every inch you move away from the source, light gets spread over a larger surface so intensity drops. A smaller beam angle limits this effect, so spotlights are the way to go for tall tanks imo. Kessil makes very nice ones, of course they are not cheap.
  24. akwarium

    6dkh solution.

    30 mg/l NaHCO3 equals 1 DKH. So DKH 6 is 180 milligrams per liter of DC-solution. I make my own DC-solution (KH 3.2) and to make measurements more easy I do it in 2 steps. First make 100 ml with 100 times stronger hardness, take 1 ml of that solution and add 99 ml water. if you use...
  25. akwarium

    What’s everyone’s thoughts on aquarium testing kits (Newbie)

    I think a blood pressure meter is very handy when it comes to water tests, For al the panic attacks caused by weird (and false) test results.
  26. akwarium

    possible way to add Ca, Mg, K without adding S, Cl, CO3 etc.

    I only use it to add minerals back to the DI-water I use for water changes. my fish prefer soft water, and I don't see much need for higher calcium figures. My problem with calcium sulfate was that it takes quite long to dissolve. Once the filter is established the water remains crystal clear...
  27. akwarium

    possible way to add Ca, Mg, K without adding S, Cl, CO3 etc.

    I use calcium acetate to reach 4.2 ppm calcium. the solubility is great but it does seriously promote bacterial growth so clouds the water in new tanks.
  28. akwarium

    Akwarium's Gallery

    at the local gardencentre I found Blechnum gibbum "silver lady" ADA uses this in many of there emersed jungle type tanks so I was really happy to find it. But is was a pain to split it up in individual ferns, the good thing is I have 8 extra ones if the ones I tied to the wood wont make it...
  29. akwarium

    Akwarium's Gallery

    I think i just push small pieces of different aquarium mosses into the small holes of the fabric.
  30. akwarium

    Akwarium's Gallery

    Made a light, and stuffed the wall with some hardscape in a 45 cm tank. the wet sand sticks all over so it is a bit messy. :crazy::crazy: beneath the sand is a DIY UGF, driven by a small pump hidden by the wood and rocks. it is only going to house a betta and plantwise only epifytes so no need...
  31. akwarium

    Akwarium's Gallery

    yes it is spacer fabric. Hygrolon is a brand name more known in the orchid and dart frog community, but it is the same material ( at a higher price point) like most things in the hobby some one found a clever use for an already existing product. it works great in wicking water to keep mosses...
  32. akwarium

    Akwarium's Gallery

    time for an other project: a passive wabi kusa wall. passive because no pumps or mist makers, just beating gravity with a layer of hygrolon on filterfoam pads:
  33. akwarium

    Journal My First Terrarium

    most orchids don't like it if the roots stay wet al the time. it often results in rotting roots, or fungi infections. planting them with there roots on top of the moss will be better and also make sure you have some air circulation inside the glass cover will help to keep excess moisture from...
  34. akwarium

    Akwarium's Gallery

    after a big trimming:
  35. akwarium

    Akwarium's Gallery

    growing fast :)
  36. akwarium

    UKAPS Hardscape Challenge 2020

    Country: Netherlands UKAPS nickname: Akwarium Tank Size: 30x20x20cm Title: chachapoya
  37. akwarium

    Akwarium's Gallery

    I removed the plant yesterday, it had its time. it did develop floating leaves but did not stop producing new submerse leafs. I think the tank look much better without it.
  38. akwarium

    How liquid carbon might work

    Yes, I absolutely agree, the effect of liquid carbon is nowhere near similar as injecting 30 ppm CO2 . It is not a substitute. But we should also realize that inject gaseous CO2 is not very efficient, most disappears into the atmosphere, some is dissolved in the water and a little is used by...
  39. akwarium

    Akwarium's Gallery

    Back to the pondstyle tank, it is planted:
  40. akwarium

    Akwarium's Gallery

    it is sold as Nymphaea stellata, which should be a synonym for Nymphaea nouchalli. It is a nice plant, but I feel the leaves grow to big for this scape, also the color is a became a bit distracting after I removed the other pinkish plants... I love the look of floating lily pads, but it is...
  41. akwarium

    How liquid carbon might work

    I was doing some reading on the metabolism of plants because I want to improve my fertilizer formula, and stumbled across an interesting part of cells called peroxisome. One of its functions is to help breakdown toxic substances and waste by producing hydrogen-peroxide (H2O2). I realized that...
  42. akwarium

    Twinstar..what is it?

    It looks like electrolysis, (mostly because it is) there is a very simple test for it, but that might give people ideas that might be fun and therefor not necessarily safe... Instead, look at al the thing, how it is made, how it works, how all the diy copy's work ..... and there is only one...
  43. akwarium

    Akwarium's Gallery

    an update on the 70 liter, I've been away for a week and the tank definitely needs a good clean and trim. I upgraded the lightning recently and that gives a bid of algae. Besides that I'm not happy with the left side planting wise. the lilly has to go. but i'm not sure what should replace...
  44. akwarium

    Akwarium's Gallery

    The old Dario Ditch is no more, since January the tank has been replaced by a 51 x 35 x 40 cm tank custom made by Green-Aqua. I never made the time to start a thread about it...:sorry: last weekend I used the old tank to make a new one. it is 50 x 31 x 12 cm, not perfect, but it holds...
  45. akwarium

    Crepidomanes care

    Hello all, Today I received a portion Crepidomanes sp Vietnam 3. I tried the search function but not much came up regarding long term care of Crepidomanes species. So if you have some experience or tips about these ferns, I would highly appreciate it!
  46. akwarium

    Critique my hardscape rocks and twigs

    playing around a bit on a lazy sunday. Any toughts?
  47. akwarium

    NatureScape - The End

    why did you bake it?
  48. akwarium

    New Wabi

    Looks nice, a bit to wet for the Fitonia maybe..
  49. akwarium

    Help understanding TDS pen readings

    is your TDS-pen temperature corrected? EC/TDS will increase around 2 % per degree celsius (more at high temperatures) so heating up a bucket of water will indeed increase TDS if your TDS-pen does not correct for it.
  50. akwarium

    Dario Ditch: rescaped

    before trimming: after trimming: I feel it looks better with some more hardscape showing. I'm not sure what to do with the foreground, bit tempted to redo it, what do you think?
  51. akwarium

    EI Dosing with a trickle water change system

    why not ad the nutrients in a 1:1 ratio with the fresh water? so if you change 14 liters of water, you add nutrients to bring those 14 liters up to standard EI-levels. (or double in extreme high tech) 0 change of overdosing or nutrient build up.
  52. akwarium

    Latest ph Profiles

    In water with low CO2 the pH will also show large fluctuations. if you half the CO2 the pH will rise (roughly) 0.3 A difference of a few ppm CO2 can make a serious pH difference at low/natural CO2-levels.
  53. akwarium

    Dario Ditch: rescaped

    after the bucephalandra sp, I also added some 1-2 grow Hygrophila pinnatifida today. TTS:
  54. akwarium

    Dario Ditch: rescaped

  55. akwarium

    Are we really advancing the hobby?

    That question has a nearly endless row of correct but incomplete answers. compare it to the question "what are books about?" Organic waste can be, and will be, many things. The only thing they all have in common is that they are carbon based. Other characteristics differ, some might be...
  56. akwarium

    Are we really advancing the hobby?

    1 Nitrification is an acidifying process, the conversion of ammonia to nitrate leafs excess H+. overtime pH en alkalinity (KH) will drop. Water changes are there to restore those values. 2 we can only measure so much, we have a handful of mostly indicative tests. Water quality is also about all...
  57. akwarium

    Bad back and carrying 25L contaners-Options?

    an extra heater to warm up the RO-water is also an option....
  58. akwarium

    Dario Ditch: rescaped

    Calculated water parameters: dGH 1,53 dKH 1 Ca 6 ppm Mg 3 ppm S 4,68 ppm K 14,34 ppm PO4 1 ppm NO3 15,3 ppm Fe 0,3 ppm B 0,04 ppm Mn 0,2 ppm Mo 0,01 ppm Zn 0,04 ppm Cu 0,04 ppm CO2 18,67 - 23.34 ppm Measured water parameters: TDS 90-100 pH 6.1-6.2
  59. akwarium

    Are we really advancing the hobby?

    I don't like tap water in general for aquariums, but there are alternatives. RO units and DI filters are easily available and quite affordable, so we are not restricted to tap water or rain water anymore
  60. akwarium

    Are we really advancing the hobby?

    I think there is much to learn, from nature, from old literature and new research. I also think there is a lot of ignorance wen it comes to water chemistry and the feeding of our fish. Water chemistry should be good for the specific species of fish that are kept in there, but most are satisfied...
  61. akwarium

    Dario Ditch: rescaped

    added some new plants today, pruned some others, enjoyed the fish....
  62. akwarium

    Twinstar..what is it?

    there is no magic anti algae machine, simply because algae can have many causes and there is not one solution for all of them. but higher oxygen levels, ultra clear water and maybe even a little disinfection all make sense, so not that bad.
  63. akwarium

    NatureScape - The End

    I think there could much truth in that. Most fish caught in Asia end up on the Asian market, the demand there is mostly for colorful fish, male-female ratio usually is not much of an issue. And wen trading your catch on the local marketplace it might very well be an advantage to have the most...
  64. akwarium

    NatureScape - The End

    lovely as always, sexing immature Dario is a pain, I would not be surprised if all three are males. Which is probably fine, mine ( a different species but still) don't need that much personal space and are sharing a smaller tank without harming each other. One female might be a bigger issue...
  65. akwarium

    Dario Ditch: rescaped

  66. akwarium

    Dario Ditch: rescaped

    added some Malawa-shrimp: snapshot: any thoughts on a background plant behind the rotala? I'm thinking of adding some glosso to the foreground, maybe a small crypt in de midground.
  67. akwarium

    Dario Ditch: rescaped

  68. akwarium

    Critique my aquascape Triangular 70cm scape- First time

    Hemigrammus neptunus?
  69. akwarium

    First scape 60x45x30

    for a first tank, I think you did an excellent job. :thumbup: Now let it grow and don't forget to do plenty of water changes;)
  70. akwarium

    See through Dilemma...?

    Transform it! stagnant air is great for growing mold, I would definitely add a small fan to keep the air moving inside.
  71. akwarium

    Deal with snail population explosion (or fish selection)

    the snail population explodes because there is more then enough to eat. A few survivors or eggs can be the start of a new population. So as long there are enough leftovers for snails, they will return sooner or later. That does not mean that gastropex does not work, assuming it is dosed...
  72. akwarium

    NatureScape - The End

    The new one is a female, the original one might be a male. There is a red coloration on the belly but it's not the deeper pinkish blush you would expect. The fish will know and tell you with their behavior. If their is courtship behavior it is most likely a pair.
  73. akwarium

    Dario Ditch: rescaped

    why not?
  74. akwarium

    Dario Ditch: rescaped

    rescaped: was thinking of adding some moss between the rocks, maybe fontinalis or riccia, what do you think?
  75. akwarium

    Stocking Levels

    . I do not dispute that they are social creatures, but 10 seems to be equally random as 8 for shoaling fish, or 12 for schooling fish. In my opinion the right size of a group depends greatly on the tank size (and the species of course). The density is more relevant then the total number. For...
  76. akwarium

    Nitrogen cycle discussion

    usually I add (the first) fish somewhere between 2 days and 2 weeks. With my first few tanks I was measuring for nitrite every day, always without result so I stopped worrying about it, seems to me that in a planted tank without a huge source of ammonia those spikes just don't happen.
  77. akwarium

    Critique my hardscape any thoughts?

    @Kezzab & @Marc Jackson thnx, I'll go for option 2. @Siege Underneath the sand there is a layer of peat, bentonite and cycled glafoam for the plants to grow in. I personally don't fancy the look of AquaSoil, although behind the rocks it might become completely overgrown... @TBRO I pressed...
  78. akwarium

    Crypt. Red striotala is flowering underwater

    this pic was taken on 1 april 2013, I bought the rhizomes of ebay in oktober 2012. It was seriously neglected in a low tech tank I used to raise fry of Parosphromenus..
  79. akwarium

    Crypt. Red striotala is flowering underwater

    a few years back a cryptocoryne pontederiifolia flowered underwater in my tank.
  80. akwarium

    Stocking Levels

    Otos should be kept in groups, and or not that easy to keep alive. They are quite sensitive for changes, so not the best choice for a freshly setup tank. Amano shrimp are the best cleaners, better then cherry shrimp so you would need to ad much more of those to get the same effect. I would go...
  81. akwarium

    Critique my hardscape any thoughts?

    planting plan: a wilderness of stems in the back, blyxa and nymphaea in the middle and some marsilea in the front.
  82. akwarium

    Critique my hardscape any thoughts?

    option 2,
  83. akwarium

    Critique my hardscape any thoughts?

    I'm not happy with some of the wood, so any suggestions from you guys?
  84. akwarium

    Can I keep Scarlet Badis, CPDs and Otos together?

    I ques most of us wish that ;-) Otocinclus will eat some algae, but only on surfaces like glass and stone. Those are easy to clean, the algae on/between plants are much more annoying but won't be eaten by the fish. In a small tank I don't really see the benefits of Otos.
  85. akwarium

    help with aponogeton

    the plants are quite easy, and not very demanding in terms of light and care. The difficulty is that they seem to be somewhat seasonal and go dormant after some time.
  86. akwarium

    DIY substrate recipes?

    I want to "enhance" the substrate in my tank a bid, and since I ordered some new plant species I figured that would be a good opportunity to change the substrate. I've looked at the substrates at my LFS but those seem to be >90% sand mixed with a little peat, and in 1 case pumice. Since I only...
  87. akwarium

    Can I keep Scarlet Badis, CPDs and Otos together?

    I ques bigger is always better, especially for fish that should be kept in numbers.
  88. akwarium

    Can I keep Scarlet Badis, CPDs and Otos together?

    my Dario's don't eat frozen food, (I'm also not really trying to get them to eat it) But they are small fish. You don't need loads of live food for them, and it does not have to be very small either. Just regular white worm, blood worm, glass worm, tubifex, dafnia etc is fine.
  89. akwarium

    Can I keep Scarlet Badis, CPDs and Otos together?

    yes should be fine together.
  90. akwarium

    Focusing on Nowhere - AS 900

    Very nice wood. you don't leave much space for background planting, if you look at the tanks you posted as examples, you see that the hardscape is placed much closer to the front of the tank. Somewhere around the middle.
  91. akwarium

    NatureScape - The End

    hygrophyla "araguaia" would give a nice contrast in leaf shape with the hydrotocyle, great idea. Amania sp bonsai, or at least the plant sold under that name, might be nice. Didiplis diandra can be very pretty as midground plant. Ludwigia sp white. might be something very different but would...
  92. akwarium

    Schismatoglottis prietoi 

    Its an easy plant in my experience, in terms of care and growth very comparable to many of the smaller crypts. I had it back in 2016, still very rare back then but some large nurseries added it to their collection so should become more widely available...
  93. akwarium

    Tropical soil buffering and shrimp

    The most obvious solution is to change the soil. Or switch to Caridina shrimp, they prefer soft water... Or put a small piece of limestone in your filter or tank... continuously adding minerals won't give fluctuations like water changes might.
  94. akwarium

    Critique my hardscape My 1st iwagumish-I'm struggling-Please help.

    I see white lines in many of the rocks so it does not bother me at all, but like @Kezzab said, it only matters that you like it.
  95. akwarium

    Bite the bullet

    Congratz, Nice little fish, crushing or chopping food in smaller pieces gives them more change since there are more pieces of food, and makes it easier for them to eat.
  96. akwarium

    CO2 Tablets?

    off course you should not let kids play with them, let alone stick them in their mouths, But as said by ian_m it is a combination of citric acid and a bicarbonate, and so is baking powder. Their will probably be also some filler in their to make the tablets dissolve slower. Their is no loss...
  97. akwarium

    Critique my hardscape My 1st iwagumish-I'm struggling-Please help.

    I like the first main rock best, much more interesting texture. Hardscape looks quite nice to me;)
  98. akwarium

    CO2 Tablets?

    not more dangerous then baking powder.
  99. akwarium

    Can this be fixed?

    Green hairy algae is often associated with not enough CO2<-> to much light. If you can add more CO2 then do so, and if not: lower the light. Remove as much of the algae as you can, or hire some amano shrimp (caridina multidentata) to do it for you.
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