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  1. A

    Diorama - "Dutch style" (Mg>K experiment) Lean dosing

    NO3 from urea?
  2. A

    Tucano tetra !!!

    Reviving this old thread. I just got 10, any advice on care?
  3. Happi

    Diorama - "Dutch style" (Mg>K experiment) Lean dosing

    0.5 ppm N is about 2.2 ppm NO3 if KNO3 was used, but I use the following: 1 ppm N: 0.23 N from KNO3 ( 1 ppm NO3) 0.27 N from NH4NO3 (0.6 ppm NO3, rest NH4) 0.5 N from Urea So as you can see I only dose 1.6 ppm NO3 and rest of it is ammonium based. If only KNO3 was used, it would have been...
  4. A

    Diorama - "Dutch style" (Mg>K experiment) Lean dosing

    Are you mixing RO with tap water?
  5. A

    Diorama - "Dutch style" (Mg>K experiment) Lean dosing

    Are you talking about elemental N, P and K ppm? Or is it about what we use in this hobby and test kits standards as NO3, PO4 and K?
  6. J

    Experienced fish keepers: What are you feeding your fish?

    Reviving a defunct thread. My family has recently acquired a dehydrator, Lord knows what for, but I immediately thought of using it for fish feed. If one were to dehydrate a mixture containing raw fish, would that give it a shelf life comparable to commercial dry foods? Last time I made some...
  7. J

    Amogus Apistogramma

    Here are a couple of pics of my "female", which is looking more and more sus since I put it in a separate tank due to aggression. Is it just me or is this an imposter? I'm really starting to see male shape. Not coloration, at least not clearly. I am starting to notice its expression seems...
  8. Hanuman

    IFC Aquarium Fertilizer Calculator

    1. Do you have a compelling reason to use Full EI? Unless you are ready to do regular (weekly or even bi-weekly) and heavy WCs (+80%) it might not be the best idea. Maybe go for something less extreme, unless your plant mass is so large that you really want to avoid any deficiencies. I'll be...
  9. PremierFantasy88

    Odd and unusual fish you find in your local fish store

    I was in there last Monday and believe there was roughly 6 or 7 left... £19.50 each or 2 for £36 (if memory serves) Healthy but I do remember thinking 1 or 2 were possibly on the slim side which is never a good sign
  10. Aqua360

    Dart Frog Terrarium Build

    Keep at it, definitely worth trying dart frogs if you can eventually!
  11. P

    IFC Aquarium Fertilizer Calculator

    Hello everyone, and congratulations to @Hanuman @Zeus. @dw1305 @fablau and @X3NiTH for the absolutely phenomenal work with The IFC Aquarium Fertilizer Calculator. You guys are amazing and deserve so much credit! I have a 210 litre planted tank and want to start using dry salts for fertilisation...
  12. Bradders

    Best Filter Media

    Great stuff! So, how do we equate that to Siporax being effective in freshwater aquariums?
  13. Scaperinc

    Utricularia graminifolia

    Thank you
  14. dw1305

    Eheim Vivaline 240 Journal - Medium Tech

    Hi all, That looks pretty good and healthy. cheers Darrel
  15. MaterialCrab

    Eheim Vivaline 240 Journal - Medium Tech

    Tank update. I'm now running the lights at 80% for 7.5 hour photo period as I felt there was a little too much dust algae developing, I was cleaning the glass in-between water changes. So far this seems to be effective, I'll keep an eye on plant growth over the next 2 weeks. I've been able...
  16. J

    Ferts - where to buy and what to buy?

    You shouldn't mate, it's generally the silly people that don't ask.
  17. S

    Ferts - where to buy and what to buy?

    oh, well, now I do feel silly 😂. Thanks for clarifying
  18. J

    Ferts - where to buy and what to buy?

    Tropica Specialised Nutrition.
  19. L

    New Juwel Rio 125 setup

    Thanks everyone. Bazz - I've just had a quick skim through your journal (will read in more detail later). Absolutely stunning aquascape you've got going on there! Thanks Cazza - yes your journal has been very helpful to me, and there are definitely lots of similarities. I'll be keeping an eye on...
  20. S

    Ferts - where to buy and what to buy?

    thanks for the detail, at the risk of asking a silly question, what is TSN?
  21. S

    Ferts - where to buy and what to buy?

    great thank you!
  22. dw1305

    Odd and unusual fish you find in your local fish store

    Hi all, I have to ask, how much are they? Then I'd definitely buy them, if I could afford them. cheers Darrel
  23. PremierFantasy88

    Odd and unusual fish you find in your local fish store

    I was very tempted... They looked healthy and had been in since Jan this year however I completely agree with you in that once they've come in you really want to get them as soon as possible
  24. dw1305

    Quality of fish food ingredients

    Hi all, Have a look at <"Ideal food to feed Rainbow Fish for Optimal health."> and <"Experienced fish keepers: What are you feeding your fish?">. cheers Darrel
  25. hypnogogia

    Best Filter Media

    Here’s a copy of the article kindly sent to me by Sera.
  26. PremierFantasy88

    Quality of fish food ingredients

    I agree with you... it just got me thinking do I really know what I'm feeding my fish? I am not too concerned as it's only a small part of their diet
  27. Bradders

    Best Filter Media

    OK, I think I get what you are saying. Some designs always allow a degree of 'flow through' to minimise clogging. Is that basically your view? I think the only question I would have around that was why the EHEIM tray looks untouched and the Oase looks touched. Surely something can only get...
  28. foxfish

    Quality of fish food ingredients

    I would find it hard to believe that dried flake uses good quality ingredients.
  29. PremierFantasy88

    Quality of fish food ingredients

    I had some free time this afternoon and started looking into the ingredients of some of the fish food I have Numerous seem to have ingredients such as: fish & fish derivatives fish meal wheat meal cereals salmon meal (to name a few) I am trying to understand if a lot of these types of...
  30. dw1305

    Odd and unusual fish you find in your local fish store

    Hi all, Definitely odd, I would have bought them, partially because they probably have limited life expectancy in the shop. cheers Darrel
  31. Aqua sobriquet

    Best Filter Media

    I don’t think it’s specifically Eheim equipment, but rather the design. On an Eheim Classic, or an ADA Superjet (and the copies), the water can’t really bypass the media in the canister. It has to flow through it. On various other designs the water has other routes it can take. I found this...
  32. PremierFantasy88

    Odd and unusual fish you find in your local fish store

    Probably not odd or unusual but went to MA Farnham last week (not my local but I've found this store to be one of the better MAs about) and they had a group of Nannoptopoma sp. 'Peru I've always been amazed by these little loricariidae and the markings/colours really pop if you can establish...
  33. H

    Co2 drop checker vs ph measure

    Using an equilibrated bicarbonate solution and pH measurements, I couldn't measure levels much below 1.6 ppm indoors during the summer (when the house is likely better ventilated). Typically, I get values between 2 and 3 ppm. On the porch, I could measure as low as 0.65 ppm, which is much closer...
  34. hasan66

    Ferts - where to buy and what to buy?

    I use a dosage method very close to TSN. As a DIY, I find it successful at the moment. I have never been successful in the EI method. I prepare it based on nitrogen. My combination is as follows: kno3 mgno3 urea combination, I need very little phosphate and potassium, the ratio of iron and micro...
  35. hasan66

    Ferts - where to buy and what to buy?

    It should be available in chemical stores in your country, I buy it from there.
  36. dw1305

    Low tech dirted Dennerle 30l cube

    Hi all, If you had access to an <"ion selective electrode">, that would help. Yes, I would <"put my trust"> in time and plant growth. cheers Darrel
  37. AlStu

    Low tech dirted Dennerle 30l cube

    It’s going ok, but I’m definitely at the point of needing healthy distractions! I am lucky to be part of a doctoral training partnership so my funding isn’t results based, although I am also lucky that my research so far has been fairly ‘successful’ in terms of finding interesting things...
  38. martin-green

    New wildlife pond - Confused!

    Don't worry about it, 99% of ponds are never balanced, it's just a goal that is never achievable since one day its ok, next day it rains and changes the "balance" so long as it is not choked with plants or decaying matter and looks nice, don't worry, enjoy what you have.
  39. Andy Pierce

    Co2 drop checker vs ph measure

    I mostly think the usually accepted low-tech CO2 value of 2-4 ppm is just wrong actually. ;) I'm reasonably sure a drop checker using a 0.25 dKH bromothymol blue pH indicator solution would do a pretty good job of sorting out these lower CO2 concentrations, but making such an indicator solution...
  40. dw1305

    Marginal Plant ID?

    Hi all, I was thinking about Pogostemon stellatus, right colour, wrong flower <"https://www.guitarfish.org/category/emersed-plants">. It sounds like a composite (Asteraceae), but I can't think of a suitable one. Ageratum spp. have a suitable flower, but it is in a terminal raceme etc. Eclipta...
  41. B

    Marginal Plant ID?

    Thanks but I don't think its that. The plant stays green unlike your picture and the flowers have no petals, more like this top of the thistle although a lot smaller. I really don't know how to explain it . Unfortunately I don't have a picture of the actual plant in flower.
  42. dw1305

    New wildlife pond - Confused!

    Hi all, The problem with soil is that it encourages rampant plant growth, which isn't what you want in a small pond. This is what happened to mine. 2010 <"Little Shop of Horrors - How EI frightened the gardener">. 2013 <"moss in the pond"> 2015 <"Journal - Lockdown wildlife pond"> in 2018 it...
  43. Happi

    Diorama - "Dutch style" (Mg>K experiment) Lean dosing

    I remember during those days I was already accidently adding 2 ppm Ca and 8 ppm Mg before I came across with the MCI Method. while it did produced some great results but I believe this was rather due to secondary effects or certain ratios at play. I tried correcting the GSA during that time...
  44. martin-green

    Half Barrel pond and new pond project.

    If those are you actual dimensions of the hole, don't forget to add 2 feet to both sides of the actual liner and underlay. It allows for you to have "overhang" that you use to secure the liner with.
  45. dw1305

    Marginal Plant ID?

    Hi all, Welcome to UKAPS. It looks like Gratiola sp. <"https://idtools.org/appw/index.cfm?packageID=2197&entityID=10317">. but the flower description would seem to indicate an Alternanthera sp. <"https://idtools.org/appw/index.cfm?packageID=2197&entityID=10276">. cheers Darrel
  46. Bradders

    Best Filter Media

    Interesting. Why do you think bypassing occurs on non-EHEIM equipment? Very interesting that the EHEIM is clean, and the Biomaster tray is covered. I can't figure out why that would be the case. Are these filters on the same aquarium?
  47. CooKieS

    Closed

    Ah thanks, I decided they aren’t worthy to share anymore, so this journal can be closed, thanks for your feedback guys
  48. macek.g

    Diorama - "Dutch style" (Mg>K experiment) Lean dosing

    So I made some mistakes in the description, sorry for the confusion. This tank with this experiment lasts a year...:) The effects can be seen in the photos I will definitely try your recipe. I think there will be no problems. In general, it is as @_Maq_ presented, K in the plant is still more...
  49. dw1305

    Low tech dirted Dennerle 30l cube

    Hi all, I can see you might need a distraction and I really wish you the best of luck, <"I never finished mine">, and I'll be honest, to some extent, I still <"feel bitter"> about it. I wouldn't expect any nitrite (NO2-), but <"your water report"> gives a minimum value of ~17 mg / L (ppm)...
  50. H

    Co2 drop checker vs ph measure

    Probably the CO2 levels are very dependent on the occupancy, ventilation, and insulation. We have a recently built well-insulated home and the occupancy is two adults, three adolescents, and two larger breed dogs. The air volume in the house should be important too. I guess, the usually...
  51. Wookii

    Dart Frog Terrarium Build

    The last one's overrated . . they're best just left to go feral - I've given up trying to domesticate mine!
  52. Aqua sobriquet

    Best Filter Media

    I’ve just done some maintenance so took a couple of pictures. The Siporax is still pretty clean in the Eheim. The stuff in the Biomaster has been in there a lot longer but I remember being disappointed at how quickly it got dirty. I’ll monitor how things go in the Eheim as time goes by.
  53. S

    Dart Frog Terrarium Build

    These are brilliant. I really like frogs but I have been told (somewhat firmly) that I already have too much to care for. Two tanks, two dogs, a pond, garden and a child… she may be right. I have little pond frogs starting to return though now so I’ll make do. For now…
  54. S

    Mold on partially emersed driftwood

    @codpin I have mould on my partially emersed driftwood too. I have thus far chosen to ignore it. It bothers me a lot less than the GSA on my leaves. 😩
  55. S

    Mold on partially emersed driftwood

    But do you think Damage Water Experts would be able to help? Maybe a quick call and say you have mould on your driftwood which you keep in a box of water in your house and see what they say?
  56. R

    Half Barrel pond and new pond project.

    Just about ready for underlay and liner. Measured at: L = 7 ft 3" W = 5ft 8" D = 3ft
  57. FrozenShivers

    Mold on partially emersed driftwood

    I think we have ourselves a bot...
  58. AlStu

    Low tech dirted Dennerle 30l cube

    I realise I sound much too sure of myself in that post - happy to be corrected on anything I’ve said!
  59. Andy Pierce

    Co2 drop checker vs ph measure

    For funzies I picked up an inexpensive CO2 monitor as well. In our old draughty house it usually reads between 600 and 800 ppm when we're in the same room. It occasionally gets over 1000, but that's unusual.
  60. AlStu

    Low tech dirted Dennerle 30l cube

    Darrel! Great to have you on this journal, I am always in awe of your expertise! Bag is similarly unhelpful but as far as I can tell it has very few additives. I am not too worried - as I said I have to wait a fair while before I can get the fish anyway to let the microfauna population mature...
  61. B

    Marginal Plant ID?

    Can anyone name this pond marginal plant for me? It has small purple clumps of flowers like cotton wool balls (no petals) similar to Rush flower in the leaf axis all along the stems it doesn't flower at the end of the stems. It droops when it gets not much bigger than in the picture and flowers...
  62. dw1305

    Low tech dirted Dennerle 30l cube

    Hi all, This might be ammonia rich? What does it say on the bag? the SDS is particularly unhelpful <"https://www.kelways.co.uk/files/pdf/pdf46909.pdf">. I'll be honest it isn't a product I'd use. Don't worry, I'm pretty sure that is an issue with the test kit. It is very unlikely that you...
  63. dw1305

    Co2 drop checker vs ph measure

    Hi all, We have CO2 monitors <"in the teaching lab">. They rarely get to 1000 ppm, but it is probably better ventilated than an average house. cheers Darrel
  64. AlStu

    Low tech dirted Dennerle 30l cube

    Water has cleared after a 50% water change yesterday and added populations of Daphnia moina and seed shrimp seem happy. Pre-water change water tested as: NH3: didn’t colour up but looked NO2: ~6ppm NO3: ~60ppm pH: 7.4 KH: 17 GH: 24 A little disappointed the plants aren’t sucking up more of...
  65. H

    Co2 drop checker vs ph measure

    Unless you keep the aquarium outside in the backyard, you probably will never have 0.6 ppm equilibrium CO2 in the aquarium (which value corresponds to about 400 ppm CO2 in the air). Here are some recordings from a project in progress... Continuous CO2 measurements in room air where I keep some...
  66. dw1305

    I found this in my aquarium

    Hi all, I agree with the others, it is a Hydra <"What are these Worms in my Shrimp Tank">. They are easily controllable <"with fenbendazole">, which you can buy cheaply as the Cat / Dog wormer "Panacur". You also have an <"Ostracod in the picture">, these are both harmless and common in...
  67. Plantora

    Curling Leaves

    Curling of leaves in Hygrophila polysperma (also known as Indian waterweed or dwarf hygro) can be sign of various health issues. Here are some common causes and solutions: Inadequate Lighting: Insufficient lighting can cause the plant to curl its leaves upwards to reach towards the light...
  68. bazz

    Fluval 307 leak

  69. J

    I found this in my aquarium

    Yep I would have to agree with Simon above - Hydra. If you have been running the tank for so long, I would keep an eye on it and try to avoid cross contamination with other tanks. kinda see how things go. Over the years I have come to the conclusion it is a balancing act, we try to create a tiny...
  70. Aqua360

    A fairly shrimple nano

    Since coming back from abroad, was about time I updated this journal with the newest iteration of this tank!
  71. Aqua360

    Dart Frog Terrarium Build

    Haven't updated this in a while! Next milestone is frog calling, which I estimate may happen around April earliest. No plans to breed since the frogs are from the same parents, but may consider options from different bloodlines, we will see.
  72. S

    I found this in my aquarium

    I think that’s a Hydra: https://www.aquariumcoop.com/blogs/aquarium/hydra
  73. Bradders

    Oase biomaster pre-filter best ppi for low maintenance

    Hi Tom, Welcome to the forum! You will find a few Oase users here, but I'll give you my view. If you do not have a large fish load, then you should find that cleaning the pre-filter once a week or so will mean you don't need to touch the main filter for 6-12 months. (I am on month 9 for one...
  74. M

    I found this in my aquarium

    Hello everyone, long time lurker here, first post. Sorry if my english is a bit off, not my 1st language. I was looking around in one of my oldest tanks and i found something ive never seen before. The tank is around 5 years old, its dirted, small (5 gal), heavily planted, small sponge filter...
  75. W

    Oase biomaster pre-filter best ppi for low maintenance

    Hi All, I've just got an Oase biomaster thermo 600. I'm trying to reduce the amount of times I need to open up the main filter compartment for cleaning. I don't mind cleaning the pre-filter once per week with water changes, so my thinking is going for a fine sponge (45ppi?) Just wondering...
  76. PARAGUAY

    New wildlife pond - Confused!

    If it's a true wild life pond nature will take it over ,So don't need to worry about to much Adding some marginal plants and few bunches of Hornwort and Elodea should help with floating plants ,you could give it a couple of weeks ,still a risk of sharp frosts depending on location, Make sure...
  77. Mike Singh

    Post Your Pics & Videos of the Great Outdoors

    Rio Seco Waterfall, Trinidad.
  78. Tim Harrison

    Odd and unusual fish you find in your local fish store

    Oxydoras niger? About a metre long.
  79. J

    Odd and unusual fish you find in your local fish store

    No idea what sp this is but his name is tiny. Got dropped off at Pier aquatics recently and they are currently looking for a forever home for it. Probably 2 ~3 ft long.
  80. Andy Pierce

    Co2 drop checker vs ph measure

    Yes, that's right and the dissociation reaction has a strong pH dependence.
  81. J

    UKAPS members in/around Manchester?

    I'd be intrested, but work 3 shifts, for anyone intrested there's a fish auction by Preston aquarists club (they are on facebook) on the 24th I think
  82. dw1305

    Co2 drop checker vs ph measure

    Hi all, I'm going to guess that the CO2 concentration is higher than the <"theoretical value derived from Henry's Law">. I know with wastewater treatment (and aquaculture) one of the issues is getting the CO2 to outgas efficiently...
  83. L

    Co2 drop checker vs ph measure

    But what about the acid vs bicarbonate equilibrium? They all need to work together, right? If at a different pH the acid turns into bicarbonate at varying proportions, that will change the pH drop measured, won't it? Although, now that I think of it, if it dissociates and turns into H+ + HCO3-...
  84. J

    Co2 drop checker vs ph measure

    It's a tangled mess, but it doesn't need to be. The best advice I can give to anyone starting out injecting C02 is this. Use 3 methods of calculating co2 levels. Ph change, drop checker colour, and the most important measure by far... how are the fish reacting. Ph meters are accurate enough...
  85. Andy Pierce

    Co2 drop checker vs ph measure

    No it does not, although this is a common misconception. There is no pH dependence on the ratio of dissolved CO2 to carbonic acid. The clue is in the chemistry where the equilibrium CO2 + H2O <-> H2CO3 does not have either an H+ or OH- component.
  86. C

    New wildlife pond - Confused!

    Hi, I'm new here and to ponds! I think I've bitten off more that I can chew so have come for some advice. During a week off at the beginning of February I dug a pond, I'd fancied a simple wildlife pond for a while but hadn't had the spare time until then, so I'd thought about it idly right...
  87. L

    Co2 drop checker vs ph measure

    And Nitrogen! It’s what makes it so creamy. Happy St Patrick’s Day 🎉
  88. MichaelJ

    Co2 drop checker vs ph measure

    It almost makes it a "mystery" to me how we can grow plants, cultivate bacteria etc. in our low-tech tanks if the CO2 equilibrium is only 0.6 ppm... However this is not a day to quibble about CO2 in our aquariums... but a day to ingest CO2 from Guinness Draught. Happy St. Patrick's Day ☘️...
  89. TrevC

    Low tech nano - first try

    Tank now planted as per above list. Keeping light on for 6hrs/day in the short term.
  90. Geoffrey Rea

    Journal Pondering it all…

    We put the tunes and pond lights on @bazz and go back to the club… 😎 🍻 🥳 😂
  91. FrozenShivers

    Rimless tank on a longer stand

    Might just need slightly more tubing if you're running a canister, I can't think of much else apart from that.
  92. megwattscreative

    UKAPS members in/around Manchester?

    Awesome, I'll drop you a message :)
  93. dw1305

    Co2 drop checker vs ph measure

    Hi all, I'm <"not a CO2 user personally">, but I know a bit about the <"practical difficulties of pH measurement"> and I wouldn't rely on a pH meter, but I would be happier to use a drop checker. <"Almost 0.6 ppm now">, due to the rise in <"atmospheric CO2 levels">. It <"comes from"> the work...
  94. M

    Co2 drop checker vs ph measure

    That’s exactly why I was trying the other method ph measure, I do get a nice lime green which tallies with my ph measurements and don’t have any issues as regards to plants or fish. Just wanted more understanding at least I know more than when I started. Thanks
  95. S

    Upgrading juwel lido mutilux light

    https://www.aquasabi.com/Chihiros-LED-System-Universal-WRGB I just ordered one of these. I haven't tested it. But it will fit my own lido 200 perfectlyChihiros - LED-System Universal WRGB
  96. Jaxpot

    Post Your Pics & Videos of the Great Outdoors

    It's clouds for me - just love seeing a wonderful sky from my back door...
  97. bazz

    Journal Pondering it all…

    ...and in the evening with a beer?
  98. L

    Co2 drop checker vs ph measure

    There will always be uncertainties with the CO2 estimations when using these available methods. From what I managed to understand, hopefully correctly, of the logic behind the tests: The pH drop comes from the notion that a 1pH drop means an increase of 10x in acidity. With the pH drop being...
  99. S

    Chihiros WRGB Universal for Juwel tanks

    Hi In the linked German video, he tests from around 28 mins 30 - around 32 mins. Sam
  100. Jaxpot

    My first aquarium, running for 7 months

    Wonderful tank - what an achievement. Loved the photo of everything soaking in the bath - must have taken a while so do hope you have a separate shower!! o_O:D
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