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I get this if I leave my water change tubing in a bucket with water remaining after a water change. After a week the tubing immersed feels slimy. The water is rainwater so very "pure" (apart from any pullutants!).

It's not the condensation on the windows that's a problem in our house, but we have 9" thick solid walls that get cold and condensation forms on them. We've only been in the house a year so this is the first time we've noticed mould forming just above the skirting boards. And no, I don't even...

Can you get cover glasses for them? I'm not sure I'd want all that evaporation!

Be careful buying yacht varnish. Most "yacht" varnish is just clear polyeurathane(sp?) but you can also get "proper" yacht varnish that includes a chemical to stop barnacles attaching themselves and is generally not a good idea around fuana (I don't think it just affects barnacles!)

Thanks for that Clive. As Sam says, "always learning"!

I've got a fluval (204 I think) and the pipes come together in one connector. Is this what's called a double tap? I find it a real pain because I can't disconnect one side for cleaning and leave the other, and I can't bring the pipework out of the cabinet unless I disconnect the tubes and then...

Interesting stuff. Presumably though we're talking about general community fish. I'm sure malawi cichlids wouldn't be happy in a pH of 6.5.

I think opti-white glass has a lower iron content, so may well be weaker than "normal" glass. Regarding Aquariums Ltd, I'm wondering if they're struggling under the volume of orders/interest at the moment. They've had a lot of publicity over the last few months from various sources.

As it redirects the flow constantly it should help to avoid any 'dead' spots which you might get if the filter flow is only in one direction. It's been developed for the marine market, but could be useful in planted tanks and would also make an attractive wafting movement of the plants. Never...

Hmm. Lily pipes could be a problem. Still, nothing a role of masking tape wouldn't sort!

Here one: http://www.fish4aquatics.com/en-gb/dept_146.html Scroll down and look for "Hydor Flo Water Mover". A google search brings up a few hits and there's some on good 'ol ebay.

I've been thinking of getting something called the Hydor Flo. It attached to the filters output and rotates, deflecting water round the tank. There was an article that mentioned it in PFK a couple of months ago. As it uses the existing water force to rotate there's no energy consumption. It's...

Joined this a bit late but I was thinking of peristaltic pumps too. They work by a wheel (or two) squeezing the tube which pushes the liquid forward. If you remember your school biology, peristalsis is the way your throat works when you swallow. They're often used to feed plankton/phytoplankton...

A bit late I know, but I bought some various bits and pieces for a similar setup here: http://www.fishfurfeather.com/plumbing-rigid-pipe-and-fittings-c-1_120_121.html I bought a length of pipe and made my own spray bar!

Tech Tart!

Have you tried dipping the CO2 tubing in hot water to make it more flexible?

I use a visitherm and it's worked fine for the last 7/8 years or so. I don't bother sticking it to the glass as, like you say, they always fall off. I rest one end on the gravel/sand and raise the cable end by kinking the cable and hooking it over the side of the tank. If you've got good water...

Looks good. How did you get the old one off?

My tank was bought before the Rio's came out, so they may be alot better. I quite like the look of the Rio 240, but it won't quite fit in the alcove of our new house. Oh, well. It'll just have to be the 5' along the wall....if only I can persuade my wife......

OK..... 1) The lid on my Juwel is horrible and plasticky, not a nice piece of wood like my 3' 2) The ballast (T8) is built in which means I can't upgrade it without dismantling it all 3) It came with a titchy internal that blew my sand everywhere because the flow tried to make up for the...

I'd go for a custom tank, but of the more standard types i.e. with a hood and matching cabinet and pay a little more and get opti-white for the front glass. Having bought a juwel tank in the past, I'd rather buy a 'normal' tank and buy the bits and pieces that I liked rather than what came in...

That's because they have the word "marine" on the box....

Ah, I get you. Will it be getting doors?

'scuse my ignorance, but what's a lap joint?

I can't see how the bacteria will ever catch up as there'll be nothing left for them to feed on. IMO there should be a cycling period with no substrate or plants and then stripped down and set up properly with a now cycled filter. Only my opinion though.

I'd like to go FE as it seems the cheapest way, but I haven't got the space for 2' cylinder. Hence the disposable option as they're smaller (or seem to be). If I can get an FE that's about 12" max then that'd be perfect.

Bugger! Maybe I'll have to save some more then!

I don't have anything at the moment, so I can buy whatever I need. I didn't want to get a cheap reg from eBay and then find it wouldn't be compatible with a disposable canister. If I get that adapter then I should be OK whatvever reg I get?

Would a cheapy regulator from eBay fit a disposable pressurised cylinder like D-D? I thought about DIY but it seems too much hassle to change every week, but I can't afford a full disposable pressurised system. I thought FE but space is limited as it needs to fit in a cabinet (and be hidden away...

The Boss ones do seem very cheap, but they don't state the thickness of the glass used. Also, I can't find any prices for the cabinets. It's the cabinets that always seem to cost the big money. edit: Also, the sizes seem a little disappointing IMO. If I were getting a big tank, say 5' or bigger...

Would it be strong enough to withstand the weight?