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Thanks for invoking me Josh :). It's 30 years since I sat in a classroom and looked at the ADP - ATP cycle (for A level biology) so I hadn't twigged that that was what the plants needed phosphate for - so thanks for that realisation! As far as I can tell you are correct. The Amano advice to...

Since this is the active dosing thread right now, can I be so rude as to ask, is there a really tiny doser folks know that can be concealed close to a nano tank and just dose say 1ml of liquid carbon/day?

Fascinating. Thank you! So do you drill the tanks and let them drain straight into a sump or run a powerhead on the uplift? Since you mention uplift pump, I guess the 2nd?

Off topic but you are using under gravel filtration and successfully growing plants in gravel!? I used UGF for many years as a kid, but couldn’t grow plants for long and never quite figured out if that was due to lack of nutrients (e.g. Elodea would go crazy for a while and then stall), because...

If you mist with too strong a Nutrient solution you can cause nitrogen burn on leaves - unfortunately I did this in my dry start, maybe because Marsilea Crenata leaves collect droplets easily which may have made it worse. I’d just misting distilled water now. However, some do successfully do...

Would it not work to link all the dosers via T pieces to the same tank feed tube and run a program like this: 1) Macro Ferts 8:00am - 4 days week 2) Micro Ferts 8:00am - 3 days week (not same day as #1) 3) Easycarbo 8:05am 4) RO water 8:10am - enough to clear the tube and ideally also the...

👆this is the key advice. I think Zeus is trying to take me down a fractal rabbit hole with weekly vs. daily vs. hourly dosing and it's now getting so convoluted I'm not sure where it will all end or whether I've got the time to follow him down there! :) . My point stands that given your plants...

OK first point: I am highly skeptical that in a normally set up and established planted aquarium there is anywhere where anaerobic conditions prevail and heterotrophic bacteria are using NO3 to respire in any significant quantity. I think we can assume the only consumer of NO3 in the tank is...

Ok then. As per your chart TNC Complete adds 6.64 ppm NO3 for 1ml/10l/week. @brokeLad has been dosing 2ml of TNC Complete/day to a 140l tank. So each 2ml dose increases the NO3 in the tank by 0.95ppm. Lets look at 2 scenarios: 1) Dose 2ml TNC complete/day 2) Dose 14ml of TNC complete/week...

More of a topic to debate over a beer than on a forum, but I'd hypothesise it is better to have the nutrients in the water column where the plants can get them. I doubt plants care about fluctuations once the nutrients are plentiful enough, which is our objective (assuming you subscribe to EI...

Oh, one other thing - don’t dose the TNC daily - put the full amount for the whole week in right after your weekly water change. That will give you higher nutrient levels in the water which is easier for the plants to take it up. If you can afford the £ could be worth double dosing the TNC...

Java fern definitely likes a fert with nitrogen so don’t stop the TNC (fixing my yellow leaved java fern is how I learned to dose NPK). If you still have Tropica premium left I’d dose that too, but not at the same time - then you know all the traces are covered too. If you look at the heart of...

That's a good question - Clive do the plants pump up nutrients during the night? I always assumed that they did & that algae can't? Of course brown diatoms can grow in the dark so that may be another story...

AE put me onto this by enclosing a nice brochure in my package of NO3. Check this out: http://www.easylife.nl/english/index.html?id=45 And the marketing speak is quite sensible too, listen to this: I guess Easylife can say this because they do not have existing phosphate and nitrate removers...

You could kill the midday burst too and shorten the lighting period, until you get this straightened out...

Name the deficiency - Update 8 months on Why am I reviving this ancient thread? Well, a few reasons: - to show newer people to the scene that if you have problems you can work through them. - because people are always asking about lighting and dosing on 25L tanks and here is one that works...

True but without the nutrients you can't grow plants either :shock: It is a big misconception that nutrients cause algae - people spent a lot of effort trying to dose just enough, measuring constantly, but EI throws that out the window and gets just as good results, if not better because...

And: (as Cliver already said) urease works like this: (NH2)2CO + H2O ? CO2 + 2NH3 That's quite a nice win for a plant that has urease, a byproduct is CO2 which it also needs - its like a power pill! :shock: Is it possible, as I think James is hinting, that the plant takes on all of the...

Very nice experiment James - thanks for sharing your results. I think that is the million dollar question - are you prepared to give it a try James after the urea trial period is over? I think you've hit the nail on the head there Clive - its certainly the beancounters who have the most...

I'm getting good results dosing TPN+ weekly and Easy Carbo daily but my lighting is higher than yours (2 WPG - so more like 3). I'd suggest daily for the liquid carbon (but it is a pain, I know...).

I used that before I used TPN+. Together with Macros (in my case nitrates left over from ammonia cycling the tank) it gives good growth. It says shrimpsafe but watch out not to overdose. My two shrimp died while I was using it when I was overdosing - could be a coincidence but it does contain...

See SuperColey on the WPG subject here: http://www.ukaps.org/forum/viewtopic.php?t=537&start=16 627L = 140 USG with 312W = 2.2WPG * 2 for T5HO (See SuperColey) = 4.4WPG Its a lot of light. You might not want to run them all all day. I have no experience of this personally but according to...

Not necessarily true - I grow 2 different types of Vallais with EasyCarbo, I think you have to try it and see. Seachem do do Marco fertilizers, but not all in one bottle like TPN+, I think you need 3 or 4 bottles and dose on different days.

It looks to me like I could make between 5 and 10 times as much TPN+ if I buy the raw materials than if I buy from Tropica, if I can be bothered and if I could get the vitamin C and the Potassium Sorbate. Where can we get them - are AE going to start stocking them (does Richard read this?)?

You have no idea what a relief it is to hear you say that! Thank you Ed, I feel like such an idiot worrying about it for the last 2 months... Andy, perhaps we should make a lighting FAQ/Sticky and try to combine all that we know as a group since its one of the most confusing areas for newcomers?

Update after 5 weeks of TPN+ - things are looking a lot greener but leaf tips on the Java Fern 'Narrow' are still translucent, even some of the new leaves. This fern came from Aquatic Magic in Malaysia 3 months ago, 11 days in the post so there could be quite a lot of recovering to do...

http://www.aquaessentials.co.uk

How do you know it contains Ammonia? I'm quite suprised because you can dose it weekly or daily, so a weekly does could be a bit high - especially if you dosed after some maintenance that disrupted the substrate and also caused an ammonia spike... The 6ppm sounds about right, I've been double...

This is a bit sad, to correct George over his own words, but he quite clearly says here: http://www.practicalfishkeeping.co.uk/pfk/pages/blog.php?blogid=138 That he is adding 5ml/day TPN+ to his Rio 125. Tell me if I'm wrong George, cos I'm dosing 1ml/day in my 25L to correct my yellow Java...

Tropica Plant Nutrition+ arrived yesterday (postage was as expensive as the bottle :-(.) I'm dosing 1ml per 25L per day - what's good for George Farmer is his Rio 125 is good for Ray I! How long will I have to wait until I see improvement - will the existing leaves perk up or do I have to wait...

Lovely debate, nice thread. All I can add is that Barr does cite a study whereby they cut all the roots off the plants and growth is the same. This suggests that on aquatic plants the roots are there as an anchor and for capiliary action when the plant finds itself emersed.

My understanding is that T5 light is more "intense" than T8 since it originates from a smaller area. This presumably means it has more penetration power or punch and the plants get more from it. I can't believe a 20W T5 can actually emit more light than a 20W T8 unless the latter is emitting...

Thank you Clive and Matt, that's very helpful - this is such a small tank so to keep things simple I've ordered a small bottle of Tropica Plant Nutrient+ which includes nitrates and phosphates. I will report back with results. There I respectfully disagree that you can have either low tech...

These are new leaves on a Microsorum pteropus 'Narrow'. Sorry for the grainy image - had to photograph from above, and they are only 2cm long. Note translucent leaf tips, yellow leaf and green veins. In the same tank I have two types of Vallais growing well and producing daughters...