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Well, that's a fair point. I have seen a few debates on here on that issue and have gone away with the view that this is a risky thing to do. I would be happy to hear other views on this. I am tempted to give it a go.

Thanks for the response. The space is extremely limited - 27cm to be precise. Do you know if a sodastream will fit? 2016-07-14 09.24.53 by hotweldfire, on Flickr Same issue applies to the filter, but I will put a separate post on the appropriate forum about that.

Hi All, I'm considering buying aquasabi's glass inline diffuser and they tell me that it needs just over 1 bar to run. Thing is that I'm using this Fluval 88g nano co2 kit and have no idea what pressure it puts out (documentation don't say). Anyone know? [I am aware I should stop using this...

Understood but I thought a dual stage reg got round that problem.

What about this one? http://www.co2art.co.uk/collections/regulators-solenoids/products/professional-aquarium-co2-dual-stage-regulator-and-german-solenoid-and-smc-valve Also could I lie the bottle on its side when using this reg? One of the main reasons I use the jbl is that the disposable...

Nah. Standard large in tank ceramic glass number. I was just reading about these bazookas on another thread and am considering buying one. They need some kind of special stop valve, no? However, I've got to say that I'm uncomfortable running on very high pressures as I think it contributes...

Brand spanking new

Apologies for the thread necromancy but can I clarify that it is OK to run 3 bar on a standard in tank ceramic diffuser? I installed a neutro 200 in tank from AE yesterday and the bubbles seem rather big and moving to the surface at an alarming rate. At the same time my DC (and I know I...

Could you guys point me to a supplier for that needle valve? Sent from my iPad using Tapatalk HD

Yep, precisely my mistake. Problem is I couldn't figure out how to screw it on directly to the reg. Reg is a TMC nano and valve from aquaessentials, neutro I think. Maybe it is only possible with a proper reg? Or maybe I need an adaptor. Sent from my Nexus 4 using Tapatalk 2

Thanks very much for both of your replies - very helpful. Apologies for my delayed response. Wazuck - do you use the Parker 4170-R or 4170-N? Parker - METERING VALVES - INSTRUMENTATION Similarly could you direct me to the correct solenoid: 6011 Burkert Solenoid Valves - Plunger...

Hello all Can the regulator experts amongst you have a look at the item below and give me your opinions on its suitability for use with a planted tank? CALOR GAS CO2 TWO STAGE TWO GAUGE REGULATOR | eBay Specifically - does the working pressure look OK? The gauges appear to indicate very...

Much appreciated. 398 definitely too tall. I'll have to investigate dual regs. Sent from my MB860 using Tapatalk 2

Much appreciated. Do you use a 600g or 390g bottle? Sent from my iPad using Tapatalk HD

Actually, if you wouldn't mind, could you measure total height?

Yep, I have considered those. The problem is who will refill them? I believe eboeagles had the UP one and had to get rid of it for exactly that reason.

Found this thread http://www.plantedtank.net/forums/showt ... p?t=140052 If I can figure out how to do that then I could lay any bottle on its side

OK, that's pretty clear advice :lol: Thanks. Thanks Tim but I'm almost certain a welding bottle won't fit. I think those are the same as the disposable JBL or DD bottles (probably exactly the same bottles but half the price) and those are too tall for the shelf. Will measure up and post in...

Anyone use this refillable bottle with the two gauge reg? You know, the silver one with this reg: http://www.surreypetsupplies.co.uk/tmc- ... r-pro.html If so, could you let me know ... a) can you adjust the working pressure on it? I want to run an inline diffuser b) what's the exact height...

I get this too but not as extreme. Again on a JBL reg, which I have running an up inline, I set pressure to 2 but it rises to 2.2 when solenoid is off. I've always assumed it was because the closure of the solenoid created a little bubble of pressure between the solenoid and the bottle but...

Thanks both. Chris, good point, I had simply assumed it was meant to be 30ppm because why would they set it otherwise? I'm pretty sure the documentation said it was 30 but will double check. Ady, I hear you but I already swapped my t6s for t8s, removed the reflectors and reduced photoperiod to...

OK, OK, I understand that 30ppm may not be enough in some tanks. And I understand that one should primarily make judgements on the basis of plant/fauna health/behaviour but that is exactly why I bought the thing. Prior to rescape my co2 levels were, as far as I could tell, toxic as my fish were...

Thanks all. Chris - it is new. Garuf - I might be misunderstanding but I thought the point of keeping it at 30ppm is to ensure there is adequate co2 for plants during the photoperiod. Surely the amount of co2 will depend not just on the injection rate but also on uptake rate (and off gassing...

Anyone used this? It's the one which has two bulbs, one with I assume a usual bromo blue/4dkh mix an th other with a "30ppm reference soluton". I have installed one 24hrs ago on my main tank and it is telling me I am putting in too much CO2. I.e. The test bulb is more yellow than the ref bulb...

1.5 a second on a 300l seems low to me. I'm doing 3 a second on a 125l but I'm using a TMC counter. Sent from my MB860 using Tapatalk 2

Yep, I believe aqua essentials used to sell the adapter. Not sure I they still do but someone will. Sent from my MB860 using Tapatalk 2

Yeah, started by reducing down to about a quarter and it was woefully inadequate. Lots of melt. Slowly upping and currently at about a third. Will crank up again tomorrow.

I'm confused. Surely if it's running 24/7 then the level will end up much higher? Surely it only levels off when using timed co2 because the plants are using what you pump in for the few hours you pump it in. If you're injecting at the same level for four times the duration aren't you adding...

Thanks both :thumbup:

Could someone direct me to a retailer selling completely clear co2 tubing? Bought some from ADC and from tankscape and both have writing printed on them.

Thanks both. I approached the solenoid with a spanner in my hand this morning aiming to teach it a lesson but it had already decided to sort itself out and was working again. Bizarre. Let's hope it doesn't die again when I'm at work tomorrow.

Hello all, I have a lunapet solenoid that has been working fine for the last few months until today. I.e. power is off to it and co2 is still running. I have plugged in, waited, unplugged, waited, repeated. No change in bubble rate. Perhaps or perhaps not coincidentally I swapped JBL co2...

Hmm, this is a good question and I suspect you are right Clive. I've recently changed from an inline reactor to an UP atomiser. My DC is verging on the yellow. However, my bubble count is down dramatically. AND I'm seeing pinholes in new leaves. I assume the mist from the UP is getting into the...

Am running 24/7 in my office nano at a mid green and livestock fine. Plants doing well but low photoperiod (5 hours I think).

Used a similar reactor externally for the last few months. Have only just replaced it with an up atomiser. Mine was an ISTA (Waterplant) one that was designed to run externally or internally. Was quite worried initially as it leaked for the first few days. More of a weep than a leak actually...

Yeah, despite feeling like an idiot I was surprised too. Just can't see another explanation.

I don't think I'm being very clear Paulo. Airstone is neither here nor there, I just keep it around for emergencies like this. O2 crash is, I think, down to the lights being off, therefore the plants not producing oxygen. Excess CO2 means fauna struggle to take up oxygen, even if there's enough...

But the amount of oxygen in the tank will have dropped significantly. There's hardly any surface movement so the tank is reliant on plants for oxygen.

OK, there's no other way to say this so I'll just say it. I'm an eejit. The bottle wasn't empty, I just wasn't turning the valve hard enough. It twists a bit quite easily then gets very stiff, at which point you have to twist it hard to open it up. This was demonstrated by the LFS I bought it...

Yeah but these things are meant to get sold straight to the budding plant keeping aquarist right? Why would an LFS buy them if they then had to send them off to get refilled before selling them on. I know charterhouse sells them as prefilled so assume everyone gets them from JBL like that too...

Good question. Was sold to me as filled. Can't imagine why JBL would supply them as empty.

Whoa! So you think that thing has popped because JBL filled the thing up too much? Was meant to be a new bottle. Am taking it back tomorrow to exchange for a refilled one but will take a photo of that piece first.

Looking suspiciously like it does not. Just put it in some water and turned the valve - no bubbles. Weighed it too - 610g. I won't say where I got it. Will have words with them later today. Still I'm surprised that the valve on the top is the only release. Isn't there some sort of safety...

Apologies for the thread necromancy but have just tried to set this up and no joy. The bottle is a JBL m500 refillable. Supposedly brand new and had a green plastic seal over the external thread. Have screwed the lunapet reg on and no pressure. Tried the cylinder valve on the "auf" (I assume...

Yep flow and diffusion good. Use inline reactor which is dangerously efficient. Used to get BBA until I introduced a second Koralia then it went within a week. Now get filamentous and cladophora. The former at least was under control until shrimp wipe out courtesy of Plantedtanks insecticides...

Man, I have been looking for this thread for a bit and, bang, skeletonwoot creates it for me. Thanks mate. And Clive I have been looking for this specific post: Here are my readings from my main tank yesterday using a PH pen: 9:30 - 7 10:00 - 7 10:30 - 6.8 11:00 - 6.7 11:30 - 6.6 12:00 - 6.5...

Hi all, I have a D-D reg which fits on to disposable bottles. The thing is a bit lethal as it tends to do a co2 dump into the tank just before the bottle runs out. Unfortunately it only has a working pressure gauge not a bottle contents gauge. I believe this reg used to be sold with both but...

Welcome. What ferts you using mate?

I think it's bound to affect the flow somewhat but not that much. I use a koralia in the tank anyway so can live with a slightly slower flow from the external. Does add an additional PITA step when trying to bleed a bleedin' eheim though. Bubbles get trapped in it so you have to turn it upside...

Can take a photo of it running under my tank in a couple of days of you like mate. Basically identical to the tmc one: http://www.tmc-ltd.co.uk/planted-tank/aquagro-power-diffusers.asp Except cheaper. Attach to your outlet hose on your cannister filter. Hose goes in on the side, out on the top...

I use a waterplant inline. Cheap piece of plastic, cost me £6 I think. Basically the same as the TMC aquagro one. Brilliant bit of kit. Since using it my co2 lasts twice as long and for the first time I see pearling and for the first time I've managed to get HC to grow. Slightly worryingly...

Don't worry about emptying the tank. The challenge I find is getting the DC to go back in to its sucker (by wiggling it) without losing too much air out of it.

Yup, have run mine at over 2 before too. Nothing blew up.

Just to clarify I haven't used the TMC version available through aqua essentials. I've used the waterplant version and just posted the TMC version as an example. Very similar is all. The waterplant is set up to take a 12mm fitting by default but comes with some 16mm adaptors. Those are what seem...

Can't find any info on it online but it's basically the same as this TMC one but cheaper: http://www.tmc-ltd.co.uk/planted-tank/aquagro-power-diffusers.asp Simple as you like and cheap as chips but seems to do the job very well. Connect the filter outlet pipe to the left tube and then out...

I use a waterplant reactor instead. Costs £8 or so and doesn't require high pressure from a co2 reg. Also virtually no visible bubbles, mist or not.

The AE one is fine but glass. I broke mine after about 4 days. I second the sera acrylic. Have just gone inline but before that was using the sera for a year and a half. Went through about 5 different in tank ones and it was the best.

How full is the bottle? Sent from my HTC Desire using Tapatalk

Thanks both. Niru, yep, I want it to act as an indicator for direction of change rather than an accurate test of ppm. Also, does anyone else have a problem keeping the inside of their's clean? I'm constantly getting build up of indicator solution stuck to the bottom of the inside of the bulb...

Clive, please don't tell me you're saying that the DC is another useless bit of test kit. I hear what you're saying - have the CO2 schedule setup to meet your objectives which is to get high levels at start of the day. But I'm not (intentionally) looking to have the DC change my objectives -...

Somewhat confused on the issue of when to have CO2 coming on vs. lights. Here's what I'm currently doing: Solenoid on @ 10:00 Koralia on @ 11:00 Lights on @ 12:30 Solenoid/Koralia off @ 6:30 Lights off @8:30 Part of the reason I have the CO2 come on so early is that my crap regulator takes 45...

Guys, thanks for the suggestions. Thing is, don't know if you have young kids in the house, but a bunch of tubing snaking around is like a red rag to a bull. She's already torn off half the phone cable running up from the basement and is trying to tie sailor knots in it :clap: Clever girl.

Nowhere to do that with a 2 year old running around I'm afraid. It's in the cupboard under the tank or not at all. Looks like I'm stuck with my poxy D-D kit (and therefore BBA) for the time being at least.

Hmm, I guess google really is your friend. Found this: http://forum.practicalfishkeeping.co.uk/archive/index.php/t-33401.html and this http://www.wcf.com/co2iron/faq.html which says this: Can I lay my CO2 tank on its side? If you lay your CO2 tank on its side and it is more than half full...

Any other opinions on this? I have a similar issue to Vyncenze, both for my current tank and a new one about to be set up. For the existing one I ended up buying a d-d disposable set, which I'm not happy with, because the can is smaller than FEs/the jbl ones. Have subsequently been told by a...

Come to think of it I do remember a buzzing noise when plugging the thing in but never that loud. Problems I've got are: - Regulator is quite warm. Not too hot to touch or anything but still warm. I'm assuming the heat is coming from the solenoid. May be no big deal but given that there's...

I have one of these but haven't had the problems you mention (although am having plenty of others which I can describe if you like). Re: lack of pressure, I'm sure you have but just in case, you did remove the rubber cap from the top of the bottle? Sent from my HTC Desire using Tapatalk

Yep. Bjorn, are you talking about the large dial on the top of the regulator or the small one on the side/end (needle valve)? Not a CO2 equipment expert but as far as I know none of them click into place, they're all smooth adjusted. The issue is probably about the quality of the equipment...

LOL. Looks like it's you who's too late this time mate. I just bought the 1600. Sent from my HTC Desire using Tapatalk

Hope I'm not too late but avoid that kit. I bought one (still using it) and wish I'd gone for a JBL. The regulator is iffy. When it gets below half full the level fluctuates pretty wildly on a day to day basis - usually dropping down but sometimes up. Then, as it gets emptier, it fluctuates over...