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Hi all, Like a Rotala spp. flower, but they are both Lythraceae genera. cheers Darrel

Hi all, The little "fluffy" flower is <"Alternanthera">. Another thread that might be of use <"Wabi-kuza III">. cheers Darrel

Hi all, OK that helps and that is a Hygrophila sp. cheers Darrel

Hi all, Yes, it definitely is Lysimachia nummularia “aurea” and you are right zoomed in you can see a flower (and that is what we need) and it is an Alternanthera sp. cheers Darrel

Hi all, I think the one in the right of the first image (with the blue arrows) and with red leaves is <"Ludwigia repens "Rubin"> (or "Super Red etc."). The other two are a bit more problematic, just because a lot of stem plants look similar when they become emersed. Have a look at @Kezzab's...

Hi all, How are they getting along? I'm going to guess it will be too damp for them long term, but I have no idea how long is "long term". I get a lot of <"fern prothalli"> grow in the carnivorous plants etc., but they would all be too big long term. Brittle Bladder Fern (Cystopteris...

Hi all, I'd probably top the tray up until the water level is near the top and then let it reduce to "no standing water" before repeating the filling. I'd be more worried about "too dry", rather than "too wet". cheers Darrel

Hi all, I think they probably need a cool rest period. It might be to do with food availability. Could you get a Nepenthes instead? cheers Darrel

Hi all, That one is aimed at the <"grow your own" "Tomato"* growers"> market, they have loads of money, but it all eventually goes up in smoke. *Other plants may be available. cheers Darrel

Hi all, Are you standing for election? If <"Edwin Poots"> can become head honcho in Northern Ireland you must have every chance. cheers Darrel

Hi all, I'd guess that all plants would benefit from higher CO2 levels. I remember the thread. But I think this is, pretty <"conclusively, debate over"> - <"Hottest Years on Record">. Probably about optimal. cheers Darrel

Hi all, Should be fine. That is it. The difficulty is always sorting out the <"wheat from the chaff">, or the <"froth from the coffee">. Personally if I want to know about lighting I'm going to ask @oreo57 or about ponds @foxfish etc. cheers Darrel

Hi all, Have you got the nutrient breakdown? If you have? I'd probably work it out for 10 ppm NO3. I'll put the calculation into this thread. cheers Darrel

Hi all, That is <"one way of putting it">. Yes and <"not really an issue">. It would need to contain all of the <"fourteen essential nutrients"> for plant growth. A inorganic fertiliser mix (for hydroponics?) would be an easier option. cheers Darrel

Hi all, How did it go? Is Beech (Fagus sylvatica) the best substrate for Aroids long term? I'm seeing a <"whole range of products"> we <"could sell">, although I think <"several companies have got there first">, but I <"suppose you"> have to go <"either go big, or go home">. cheers Darrel

Hi all, Like @mort says that is Begonia maculata, they are sought after as house-plants and sell for ~£12 a plant. cheers Darrel

Hi all, I think it probably will work. I've had Anubias grow-out of the tank <"without any problem">. cheers Darrel

Hi all, Have a look at @Kezzab 's thread <"Messing about">. I think Java Fern (Microsorum pteropus) is a more <"difficult one emersed">, and needs high humidity. <"Echinodorus bleheri"> is another one that like high humidity. <"Hygrophila corymbosa"> is a good one as well. The easiest one...

Hi all, The easy answer is just to flood it, a few days should be enough to kill them. As Marcel (@zozo ) says they are resistant to most pesticides, and I really wouldn't recommend pesticides. Cheers Darrel

Hi all, Nice. It looks like Floscopa cf. scandens is a bit like <"Murdannia keisak">, a terrestrial plant that can survive under water but <"really, really wants to be emersed">. cheers Darrel

Hi all, <"Mind your own business">, but it never does. cheers Darrel

Hi all, I think so to. A lot of "aquarium" mosses that don't attach, will attach if grown terrestrially, <"for example in a DSM">. I'd guess that most mosses sold under a <"scientific name"> are wrongly named. cheers Darrel

Hi all, Nephrolepis spp. are rampant growers when they are happy and healthy, with very long stolons that get absolutely everywhere. cheers Darrel

Hi all, Probably attached <"as an epiphyte">, but I'm not sure it matters. I don't know where @BigTom got his purple flowered one from, but if you don't mind bright red you can pick them up <"from B&Q etc">. cheers Darrel

Hi all, An <"Anthurium">? cheers Darrel

Hi all, I think the genus Polygonum has recently been split into three (or more?) genera Persicaria, Fagopyrum, Fallopia etc. following DNA work. So I'm guessing that the updated genus will be Persicaria and presumably P. hydropiperoides is the correct species. cheers Darrel

Hi all, Yes, it is just a change in growth form, stimulated by over-crowding. Producing aerial leaves and flowering are both signals that there isn't any further room for vegetative spread, so it makes sense to go up, rather than out. cheers Darrel

Hi all, Mine have <"produced emersed leaves"> off and on when they have been crowded and under a lid, but not on that scale. This is the other photo from the "Flora of Zimbabwe" link, and I'll be honest I wouldn't have turned my back on them.....<"feed me Seymour, feed me now..."> cheers...

Hi all, The males flowers are marginally more <"flower like">, with obvious petals and stamens. I've had to re-assess my "looking healthy" in light of this image, this is <"what success looks like">. I'm assuming that is basically limitless light and nutrients. cheers Darrel

Hi all, I told you they were looking healthy. Female flower. <"I usually get these">, rather than the male ones, other than in the glasshouse in summer (warm and loads of light) when I get both sexes. cheers Darrel

Hi all, I think that is good advice. Somewhere there, 10 ppm calcium (Ca) should be plenty. cheers Darrel

Hi all, I think it is probably inevitable if you have suitable conditions for plant growth. It is back to the <"plants you want and the plants you don't">. If they hadn't gone green <"I'd be more worried">. cheers Darrel

Hi all, Peat is actually quite variable, the only way to get an entirely consistent product is to use the very white sphagnum peat milled from <"ombrotrophic mires">, and I'm really not suggesting that as sustainable. If you want an entirely consistent growing medium you would need to use a...

Hi all, I'd use the fairly leafy bits as well, rather than just the really decomposed black stuff. If I only had the the fine black mold I'd add some potting bark to it. cheers Darrel

Hi all, Oak (Quercus spp.)<"Leaf mold">. Used by a number of <"Cryptocoryne growers">. cheers Darrel

Hi all, I'd guess probably not, but you could give it a try. cheers Darrel

Hi all, It is a "thalloid liverwort", you can see the <"gemmae cup"> so it maybe a <"Marchantia sp">. cheers Darrel

Hi all, That would be my guess. The algae looks like <"a Nostoc sp."> cyanobacteria in a mucilage "slime". cheers Darrel

Hi all, Sounds like the growing cubes are fine as a medium, even if they look a bit scuzzy. cheers Darrel

Hi all, They look really good. cheers Darrel

Hi all, My guess is that it was ill fate that befell them before they ever came to you. Chilling damage might be an option, or it could be that they had been kept in too dark a place (before they came to you). cheers Darrel

Hi all, Yes, 100% cotton should wick up the water fairly successfully, I might start with something like a <"dishcloth"> or tea towel. Because it is cotton it will <"biodegrade fairly rapidly">. There are specialist materials for terrariums etc, like <"Hygrolon">. You can also get generic...

Hi all, Yes I would, and Seramis for the Anubias cuttings as well. cheers Darrel

Hi all, Yes, more oxygen will never hurt. I'm pretty sure that this will give enough oxygen with circulation, even without the venturi, but <"I'm a venturi fan">. I'd guess that the Bucephalandra cuttings would be the ones that need the highest oxygen content, so I'd look at those first in...

Hi all, <"Flood and drain">, but I don't think it will be an issue with the aquatic / semi-aquatic plants that @Wookii wants to propagate, because they will be adapted to growing in substrates with limited oxygenation. cheers Darrel

Hi all, I don't know, I'll have a look on Google Scholar*. * I couldn't find anything specific for Springtails (Collembola) cheers Darrel

Hi all, That should work pretty well. <"Fogging units"> are used a lot in commercial plant propagation units. People are often worried about mould problems when they do DSM, but as long as you keep <"an eye out for Pythium">, wet is definitely better. cheers Darrel

Hi all, Pretty much 100%, so that all the <"plants are beaded with water">. The problem, in the winter, is that cold air is saturated with very little water, so if that cool, wet air warms up the <"%RH falls really quickly">. cheers Darrel

Hi all, That is a real issue, if you get the conditions right for the plants <"everything else takes advantage">. cheers Darrel

Hi all, I've got some that has grown for ~ two years inside. It hasn't looked great, but it hasn't died. cheers Darrel

Hi all, You can. I've <"got these (or similar)">, they are pretty hardy compared to the other carnivorous plants I've grown. Since I took this photo more of them have flowered. Our native Pinguicula vulgaris is fine in hard water, you get it in fens etc. as well as peat bogs. I've seen...

Hi all, My guess is that this is a <"common response in Aroids">. I'd go down the very "pale blue" route with Miracle Gro (or Solufeed 2: 1: 4) <"liquid feed">. From the Solufeed technical data sheet I think you would want an <"Orchid growing approach">. cheers Darrel

Hi all, It is <"certainly cheap">. I'll be honest I have a <"bit of an issue"> with the sellers of a <"lot of aquarium products">, they are <"less than honest">. You could argue that an <"ADA Superjet filter"> (or a <"high end light">) is worth it because of build quality etc, but there is...

Hi all, We have a couple of <"Miracle-Gro"> threads. It is a <"bit low in magnesium (Mg)"> but otherwise pretty good. When I run out I'm going to have a go with the <"Solufeed 2 : 1 : 4"> formulation. cheers Darrel

Hi all, "Fill and drain" (or "Ebb and flood"), it is very effective because it keeps the root zone oxygenated (for relatively little effort). cheers Darrel

Hi all, Should be fine, and I'd expect the carpet to have grown well over the three weeks. cheers Darrel

Hi all, I think that is the advantage of Oak (Quercus spp.) leaf mold, it will always be slightly acidic. It is all limestone here, but when I want small amounts of clay, or leaf mold, I go over to the <"greensand ridge to the east of us">. That should be ideal. cheers Darrel

Hi all, A coir based compost? You can buy 5 kg compressed bales of coir for ~£15 and that makes about 60 litres of compost. Personally I would go down the leaf mold route. Probably just leaf mold and perlite (or bark), with a low rate base dressing of osmocote. "Oak leaf" would be my...

Hi all, Yes it just needs to be soft water, it doesn't matter where it came from, or how it was deionised. cheers Darrel

Hi all, Yes, absolutely fine. cheers Darrel

Hi all, I guess that will supply enough nutrients. cheers Darrel

Hi all, Probably a very dilute solution <"based on urea"> (CO(NH2)2), it is less likely to cause leaf scorch, as long as it has a <"low biuret content">. The advantage is that it isn't an ion like NH4+ or NO3- and that makes it less likely to cause leach scorch as it isn't "salty". cheers Darrel

Hi all, I'm 95% sure I'll be in Keswick (FSC Blencathra) for the week, but only in Cockermouth briefly to visit the sites of the great Cockermouth flood(s) (including Jennings Brewery). cheers Darrel

Hi all, I did, but to salve the (potential) loss of the Rotala........... Usually @Kezzab would be fairly safe, but I'll be in Cockermouth (for one evening only) in November, and possibly Ireby in August. Cheers Darrel

Hi all, I'm not sure that would suit U. graminifolia, but there are Utricularia spp. (Bladderworts) that can be grown on a <"window-sill">. Just hit and miss for me, <"other than U. gibba">. cheers Darrel

Hi all, I had Utricularia graminifolia <"for a while">, I don't have it now. I've found the difficulty with all the Utricularia spp. I've grown is that they have all (other U. gibba) suffered from "Boom then bust". cheers Darrel

Hi all, You can buy me a beer if they are still alive? and I'll buy you one if they've shuffled off their mortal coil? cheers Darrel

Hi all, No, would be my guess. Try pulling a bit up and see if the root looks alive. cheers Darrel

Hi all, Still wouldn't help, they are monocotyledons, <"so you can't graft them">. My guess is that the plants @Garuf mentions were where shoots, without chlorophyll, had grown from the variegated plant. It is <"quite common in Aroids"> like Anubias. Tom Barr (@plantbrain) had a <"tank with...

Hi all, These white ones certainly aren't. Have a look at <"Anubias Snow White melted - will they recover ?">. cheers Darrel

Hi all, It is <"native to the UK">, so probably will survive. cheers Darrel

Hi all, I just set it to "No", so you would know what plants to avoid. "Yes", is everything else and a much larger category, and it is a pretty large database. cheers Darrel

Hi all, If you go to the Aquasabi <"Flowgrow database"> you can set <"can be grown emersed"> to "no". The emersed tab is under "cultural needs". A lot of the plants you can buy commonly <"are grown emersed">, but some of them (Java Fern (Microsorum pteropus) & <"Echinodorus bleheri"> come to...

Hi all, Brilliant photo, both exotic, although one (Bombus hypnorum) arrived <"under its own steam">. cheers Darrel

Hi all, Assuming you aren't going to flood it? Leave it covered, or get a glass lid. cheers Darrel

Hi all, I think it might be another species of Utricularia, <"Utricularia pubescens">, which is tiny and has peltate leaves, and that would be my guess. Typical, just seen @zozo's reply and I think he is right. New one for me too. cheers Darrel

Hi all, It isn't necessarily the method of attachment, it is just the frequency of trimming. Naturally pretty much all pleurocarpous mosses will grow long shoots, a bit like a stem plant, you need to prune them to keep them bushy. cheers Darrel

Hi all, I think that in the winter they all need as much sun as possible, but fairly cool. No, they seem to get by without any feeding. <"Utricularia gibba"> has really small bladders, so it maybe trapping very small food items (Rotifers?). I had another Utricularia in the tank, an Utricularia...

Hi all, OK if your house isn't too warm, but really difficult if you efficient central heating. The Mexican <"Pinguicula moranensis"> hybrids are pretty hardy. I also keep Utricularia gibba in an old goldfish bowl on the window-sill, just filled with rain-water. cheers Darrel

Hi all, We have at least three different native species, but none of them are <"very common">, and they are all pretty inconspicuous unless they are flowering (and often they don't flower). Utricularia minor is probably the most "flowery one", and reasonably common in Scottish peat bogs etc. In...

Hi all, Brilliant, I had a home grown one for a few years, but I've never seen it for sale in the UK. I've still got a Strawberry Guava (Psidium cattleyanum) (also from a pip), edible fruit, smaller leaf and one of the world's worst weeds. cheers Darrel

Hi all, Straight from the tap. cheers Darrel

Hi all, 100% Aphid. Yes. You could try flooding it for ~24 hours and then draining again? cheers Darrel

Hi all, Springtails are a good thing. They could be, but I think they are aphids. It is easy to tell, springtails hop if you disturb them, aphids won't as they are "plumbed in" to the plant phloem. Partially why I think they are aphids is that springtails don't usually come out when the lights...

Hi all, We don't have any locally, but Bristol might be an option. I've bought seeds from Nicky's Nursery before, so I might give them a try. cheers Darrel

Hi all, It should be fine. I had one in a <"pot for about 10 years"> and it flowered occasionally, a pretty pale pink "Bind-weed" flower with a deep purple throat. Ipomoea aquatica would be even better, but I've never seen it for sale. You would only need a shoot to root it. I've done this...

Hi all, Looking at the colour ("grass green") I think it is probably a green algae, rather than a cyanobacteria (BGA), which would have some darker colours. That would be my suggestion as well. cheers Darrel

Hi all, I've never tried a Palm, but Ficus benjamina grows well and you can easily root the cutting in the tank water. I've almost certainly got some spare rooted cutting in one of the tanks. There is a plant growing in the stair-well in the building I work in and if it is encroaching too far...

Hi all, I'm prettty sure if you take a submerged one and place it out of the water it will just crisp whatever you do. Have a look at <"Something dense for the back"> for some ordinary Aubias barteri, that have grown emersed under their own steam. Is a good suggestion. cheers Darrel

Hi all, It can, although usually they do best if they naturally grow up and out of the water, rather than being plant above the water line. You can use a small "house plant" , have a look at some <"Wabi Kusa"> threads, something like a Pilea sp. or <"Ficus pumila"> might suit you better...

Hi all, Looks a good set-up. You can get <"Hydroleca etc."> in a range of sizes, but even if you have a large grade I would use them intact. I'd try a standard 12 hour day for the light, and I would start with 1/3 strength EI or less as well. cheers Darrel

Hi all, I think it should be fine, if you can keep it wet enough. I've seen it in <"some of the turloughs"> in the Burren, growing on rocks that will spend some time submerged and shorter periods in the summer emersed. This is from...

Hi all, It really is <"an aquatic moss">, so it will need to be pretty wet. cheers Darrel

Hi all, It is hardy in the UK, so you should be fine. It is a selected form of Acorus gramineus, so that should be about it height-wise. cheers Darrel

Hi all, Should do. cheers Darrel

Hi all, That is probably what stimulated the flowering. If you are an emergent plant it is a waste of resources to open your flower under water, so natural selection will have selected for plants that are stimulated to flower a couple of days after drying. cheers Darrel

Hi all, I'm not sure that hunting spiders (like jumping, bird-eating, wolf or house spiders) will go for Sciarid flies, I think you would need a small specimen of orb-web forming type (you might be able to find one out-side and return it later). There are a couple of creatures that they use...

Hi all, Ed, I'll give it a go. I can never keep the cultures mite free for long. cheers Darrel

Hi all, If you don't ever intend to fill the tanks you can use an insecticidal option. There isn't a systemic insecticide available to home gardeners that will control the larvae, but a pyrethrum based insecticide will kill the adults. The other option is to dry the compost out a bit, I'm not...

Hi all, <"Probably Sciarid flies">. They are really common in damp organic composts. Nematodes work, but they are "not cheap". cheers Darrel