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  1. sparkyweasel

    Root tabs

    Osmocote is the brand, they make several different controlled release ferts, with different NPK ratios and many of them are available with a choice of release rates.
  2. sparkyweasel

    Beginner fert help please...

    You could try freezing them inside ice cubes; the ice will hold them together long enough for you to get them into position before it melts away.
  3. sparkyweasel

    Lean dosing pros and cons

    Which is why we sometimes get 'pearling' on hardscape, glass walls, filters etc.
  4. sparkyweasel

    Practical application of lean fertilizer dosing

    I must get some of those! :)
  5. sparkyweasel

    Practical application of lean fertilizer dosing

    When we used incandescant bulbs to light our tanks, that was a side-effect, - tanks would be several degrees warmer towards the end of the photoperiod.
  6. sparkyweasel

    EI Dosing Tweaks

    Your nitrate is not 'too high' for fish or plants. It may be too high for the liking of people trying to sell you a magic formula that claims to reduce nitrate. :) Have a look at this; Nitrate toxicity
  7. sparkyweasel

    Lean dosing pros and cons

    Many years ago, people used to use dried rabbit droppings as root tabs.
  8. sparkyweasel

    Amazon water types vs. "natural fertilizer" levels

    Lots of people do each approach, both can work well. EI is one approach, no reason you can't use another. ADA, for example, uses rich substrate and low water column dosing.
  9. sparkyweasel

    Lean dosing pros and cons

    Ah, that explains why Google couldn't help me with "Marcher Ratio". :)
  10. sparkyweasel

    Lean dosing pros and cons

    What's that?
  11. sparkyweasel

    Help! Plants stunting and turning white

    Or your local aquarium shop. :)
  12. sparkyweasel

    Potassium Nitrate (KNO3) Purchased from Internet

    I think we're all on a list, with our various white powders, syringes, precision weighing scales, 'special plant growing lights' etc. :)
  13. sparkyweasel

    Does test kit detect the nitrate in a KNO3 solution?

    PubChem, Wiki etc say KNO3 is odorless. There's probably some UK sites where it would be odourless. :)
  14. sparkyweasel

    Does test kit detect the nitrate in a KNO3 solution?

    As I read it, it appears that @lakshen99 tested his stock solution of KNO3 and his test kit couldn't find the nitrate in that either.
  15. sparkyweasel

    If I were to add a chunk of iron to the tank...

    Are the rivers and seas God's aquariums? Perhaps His followers think something bigger than a nail is needed and that's why some people throw old bicycles and shopping trolleys in.
  16. sparkyweasel

    Too much fertilizer.

    If those tests are to be trusted, 0 ammonia suggests it's not excess ferts causing your livestock problems, but 0 nitrate could be the cause of your plant problems.
  17. sparkyweasel

    New Fert Time and Confused... (Sulphur Levels?)

    I hope you meant sulphate, SO4. Sulphur dioxide doesn't sound like a good idea. :) We are now... no longer the Knights Who Say Nee.
  18. sparkyweasel

    Tropica Specialised causing Nitrite spikes - false positive or genuine concern??

    That's the important thing. :) We have a few threads discussing test kits, which certainly can give misleading results for various reasons. One is; Test kits
  19. sparkyweasel

    Dry dosing vs. solution

    If the crystals of the differrent salts are different sizes, shaking will separate them rather than mix them. Like shaking a bowl of mixed nuts to bring the Brazil Nuts to the top.
  20. sparkyweasel

    Aquarium Plant Fertilizers - Sources of Nitrogen

    I suspect that they copy&pasted the whole section on labelling and forgot to change the name.
  21. sparkyweasel

    Aquarium Plant Fertilizers - Sources of Nitrogen

    I've just checked where it was I got some from recently. Tennellum They were nice and healthy, and cheap. :)
  22. sparkyweasel

    Aquarium Plant Fertilizers - Sources of Nitrogen

    Perhaps one of the smaller Cryptocorynes then, Dwarf Hairgrass or Pygmy Chain Swords? The last might be best as they spread faster so you might be more easily able to judge how well they grow. Thanks, and you. :) I haven't been very active on here recently, but I'm keeping an eye on the more...
  23. sparkyweasel

    Aquarium Plant Fertilizers - Sources of Nitrogen

    Very interesting. If I may, I would suggest adding a submerged plant that is not a fern, just in case they react differently. Looking forward to seeing how it goes.
  24. sparkyweasel

    Relationship between TDS and unused ferts

    You would get some increase from fish and plant waste, uneaten food etc.
  25. sparkyweasel

    Relationship between TDS and unused ferts

    That's the EI principle, there are always excess ferts, therefore never any shortage.
  26. sparkyweasel

    Micronutrient toxicity.. or deficiency.. ? Pls help.

    If you click the little Union Flag at the top left corner of the page, it will change to English.
  27. sparkyweasel

    Could my plants be browning due to phosphate?

    Hi, could you post some pics of the plants you're worried about?
  28. sparkyweasel

    Nutrient def.

    Yes, marketing experts. :) Save your money. :)
  29. sparkyweasel

    Why exactly do we dose EI on alternate days? . . .

    = bad teaching. But of course the teachers blame their pupils for their poor teaching skills.
  30. sparkyweasel

    Why exactly do we dose EI on alternate days? . . .

    EI was developed to be simple and foolproof. By specifying alternate dosing it removes the possibility of a problem that might occur in some tanks, depending on many variables. If you change it there's no certainty that you won't have any problem. That's not a reason for not trying it to see...
  31. sparkyweasel

    Nutrient deficiency :/

    That sounds like a good plan. :) Also, slowly ramping up and down the lights can be beneficial to algae without helping the plants. I would try a much shorter ramp period.
  32. sparkyweasel

    Phosphate is the king of the planted tank

    The difference may be related to Walstad's preference for minimal (at one time zero) water changes.
  33. sparkyweasel

    TNC Complete reviews anyone ?

    Maybe you should bottle it and sell it for £30 a litre. :)
  34. sparkyweasel

    Rabbit or Guinea pig droppings as fertiliser

    It was common practice before 'proper' fertilisers and root tabs were available. People often thought it was a wind-up when told about it, and weren't convinced until they saw a demonstration. It seemed to work, based on observation. You need the bigger, round rabbit droppings, not the little...
  35. sparkyweasel

    new tank low tech

    Or tell us what kind of compost; some-one here might be familiar with it.
  36. sparkyweasel

    Ferropol Proflora 7 day

    You might be able to save a bit of cash on tap water conditioner too. I don't think TapSafe is the cheapest option, and with a big tank the difference matters. A lot of people use Prime after looking at the amount of water it treats as well as the price for the bottle size.
  37. sparkyweasel

    Daily vs Weekly Fert Dosing

    Not a lot mate :) But between daily and weekly, I think any difference would be negligible in a low-tech, low-energy, low-ferts set-up. If you're bored in the lockdown, you could always try it and see if you can see any difference.
  38. sparkyweasel

    Brighty k and Brighty mineral

    Your plants need their nutrients from day one. The easiest way is to use an all-in-one fertiliser from the start.
  39. sparkyweasel

    Tropica premium fertiliser vs Easy life profito

    Fair point, Matt. As long as we can make sure people know the cost comparison, they can choose whether they want to pay for the convenience. It's not so good when people are told the expensive products are essential. Like beer again, you can make your own if you like, but it's much more...
  40. sparkyweasel

    TDS + immediate dose

    A lot of people seem to go astray with that sort of thing. If you explain what tests you do, how, and what you are trying to achieve, some-one will spot any flaws there may be in the procedure. If it's really obvious it might even be me that spots it :)
  41. sparkyweasel

    Does Ferrous Gluconate Cause A Water Surface Film?

    I think pH6.5 is the optimum for many kinds of bacteria and other organic processes, so I wouldn't take that as confirmation of the source of your film. You said the film appears after you add your ferts, - could you try a different brand for a while and see if that stops it?
  42. sparkyweasel

    Does Ferrous Gluconate Cause A Water Surface Film?

    Quite possibly; a lot of people mix their own fertz instead of buying expensive products that are mostly water, which is expensive to ship. :)
  43. sparkyweasel

    Where to buy dry salts?

    They certainly work for lots of people. :) If you could post some info about your tank and what salts and dose you used, we can probably work out if you're going wrong and help. Tank dimensions, filtration, lighting, CO2 details if using it, substrate etc. What plants, and what looks horrible...
  44. sparkyweasel

    Mixing ferts to resemble ADA lineup

    This is what happens if you add pure potassium to water;
  45. sparkyweasel

    NT Labs GH minerals up

    "Identified Use(s) Not known. Uses Advised Against Not known." Sounds likie good stuff :)
  46. sparkyweasel

    Do we really need that much fertiliser ?

    I would put mine in my low-down pond, where watercress grows huge, green leaves, but no-one wnats to eat them. In the higher pond it grows smaller, paler leaves, but people will eat them. The reason for both differences is that the dogs can reach to wee on the lower one. :)