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Mum's nano cube

jamila169

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4 Mar 2021
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Nottinghamshire
Finally found a cube that I like and didn't cost me a kidney , so I've got a Dennerle 30l nano cube with the corner filter amd a nicrew light from the big warehouse place .I've planted it up tonight as the plants arrived from aquarium gardens yesterday so I didn't want anything to die or get eaten by the dog while i wait to do the next water change on it's next door neighbour -I'm planning to move the 60 over when it's got considerably less water in it so they'll be centred on the surface. I managed not to glue myself to anything, which is a bonus and it's sealed up for the next few days so the plants can get happy before it moves to it's final position. Plan is to get some cherry shimp and run it as a shrimp only tank as opposed to the community tank next door.
Went to my local Maidenhead Aquatics for some snails for daughter's tank today and came home with 25 litres of RO water and what day they get new plants in . Anyhoo, the plants, back to front
Vallisneria Spiralis which I'll be watching carefully to see if it needs to go on it's holidays in daughter's tank(fingers crossed 3 days in a sealed tank won't bother it too much)
Bucephalandra Wavy Green and Java Fern attached to wood and rocks
Cryptocoryne Nevelli in the middle
Saggitaria Subulata in front of that
Taiwan moss on the rocks and shrimp shelter
Blyxa Japonica at the sides and front (again , fingers crossed it'll be ok for a few days kept wet )
Frogbit is presently swimming with the Garys in daughter's tank

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jamila169

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as expected, the vals and the blyxa didn't look impressed this morning, so they're having a short break in daughter's tank with the aid of the weights and rockwool I saved from unpacking them , the bogwood despite being soaked keeps attempting to dry out so I'm mostly spraying today
 

jamila169

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they were whipped out pretty smartish and are doing well in temporary quarters, with the additional issue now that there's a bloom of daphnia in daughter's tank, can't imagine they came from aquarium gardens, so assuming they hitched a lift with the snails from maidenhead or plants from LFS
 

jamila169

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most of them aren't long for this world, I'll be moving the tanks today or tomorrow so a big water change is afoot, any that make it will be a nice welcome home buffet when the first fish go in
 

Tim Harrison

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Hi all,

Daphnia appear in all sorts of strange places, they can <"form resting"> cysts that blew about in the wind etc.

cheers Darrel
Amazing little critters. That probably explains how they turned up in my waterbutts despite very tight fitting lids. Not that I'm complaining :)
 

jamila169

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all cleared and planted , I had a play with my new toy (TDS meter) and at 50/50 tap and RO it's hovering just on 200 and 22c without a heater, which I'll need to keep an eye on as it gets warmer and probably supplement in the winter , Big tank is at 295 with 20% RO so the runaway hardness is tameable it seems even with ferts going in .
Plants have changed about a bit with some H. Tripartita at the back which is intended as a pretty wafting thing rather than carpeting and is also insurance if the M. Umbrosum doesn't take well at the front. I was musing whether I should move the rocks and such back a bit, but I'm leaving it for the sake of access and the wee caves between that I'll probably mess up if I start faffing. I think I need another Buce or Anubias nana to go between the two on the wood, it's not balanced

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Moss is starting to open up and look more mossy



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Round the back

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jamila169

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There's definitely a theme going - pre privatisation the water round here was soft (guessing it mostly came from the peak district ) Severn Trent seem to like their water hard as nails though so we get it from the Trent valley now
 

dw1305

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Hi all,
Interesting. My 50/50 rainwater and tap sits at about 195 straight after a wc. I'm inferring that stupidly hard UK tap water is similarly stupidly hard regardless of which chalk aquifer it's coming from.
Yes that is right, all the limestone aquifer water will have a very similar TDS (conductivity) value. If you get much over 500 ppm TDS, you have other ions (other than Ca++ and HCO3- present).

The values are all similar because of the <"limited solubility"> of calcium carbonate (CaCO3). The amount of total/dissolved inorganic carbon (TIC/DIC) is controlled by the level of dissolved CO2 and that is controlled by the <"amount of CO2 in the atmosphere">.

cheers Darrel
 

jamila169

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plants are looking pretty happy, just expected loss of emersed leaves on a couple of things, got a light dusting of diatoms , and have scraped a bit of brown algae off the glass a couple of times. The temperature is a bit variable so I've ordered a heater to even that out. Second big water change/first big clean tomorrow and then I'll have to get more RO water, going to get a second container I reckon, I'm not using enough to justify a filter, but going through it faster than anticipated due to using it to cut the other tank water as well
 

jamila169

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Two weeks since the water went in, so I guess it's 2 weeks old now , everything growing in well, nothing took flight at all which is an improvement , haven't tested the water yet other than TDS which is going no higher than 220 before a top up . replenished the RO water yesterday so I'll be going for a 50% water change which will get it below 200. I started with liquid carbo yesterday b/c of some minor fluffy growth on the moss and I've taken off the spraybar, which is way too short , I've got a plan to use a spares pack to extend it all along the back which should just fit - the nozzle thingy is sending flow along the back , round to the front corner where it's strong enough to drag the duckweed under and then whizzing across, round the back and to the filter strongly enough to get everything waving about but it's a bit too strong for my liking . anyhoo, obligatory progress shot coming up , the two green velvet buce went in yesterday, but the one on the wood is in the wrong place, so I think I'll swap it with the wavy green at the front for perspective's sake
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jamila169

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Did 75% change after mad swirling and spot siphoning for fluffy diatoms on the moss and wood, moved a few things around and made sure the Alternanthera cardinalis I put in yesterday was properly planted and did some buce reorganization, ignore the superglue streak, it's not there, you're hallucinating.
Fingers crossed the diatoms are less of a pain soon
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