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I'm finding your photo "outlet leading to diffuser" very difficult to understand. If the tube you're using to count bubbles is beneath it, and the diffuser is above it, then the non return valve is the wrong way round - or is the photo upside down? Any clarification would help! Mark (PS did...

That's an amazing price for all that! Mark

There's a very recent thread started here: http://ukaps.org/forum/viewtopic.php?f= ... ns#p156084 by someone who has just bought a tank from them, and seems pretty pleased with it. I had a look at their website, went to "photographs", then "bare aquariums", and the eighth photo in the gallery...

The internet seems to think this is a myth. But your precautionary recommendations are correct. http://www.google.co.uk/search?hl=en&so ... +&gs_rfai= Mark

Looking good! Brilliant idea in this weather. Mark PS when do we get more pics of your puppies?

You'll have to use a razor blade - you can get a flexible double edged one down through the silicone, and then "see-saw" your way along. It goes quite quickly once you get the hang of it (about 30cm per minute). They are a bugger to handle, probably worth wearing gloves to avoid shredding your...

I'd agree with the 45cm or 60cm sizes for height and depth as recommended above - I would go for a 60x45x45 myself, but I just like the proportions of that tank. If you can stretch to a cube that would be a great tank, but 60cm height can be hard to light well and to get your arm in for...

Wow, should look great! It looks good on Eheim's site! Hope it comes off. Mark

With the curved front? Oooh, unusual! Can you get the stand too? Mark

http://www.algone.com/energy_consumption.php according to this link a 120l tank takes about 110 kilowatt hours per year to heat to 22 degrees, 440 kilowatt hours per year. Fairly useless to work with, as room temperature not supplied. But assuming the figures are about right, you could guess...

It just depends on the rate of heat loss from your aquarium (a function of surface area divided by litres), and the temperature difference between the desired temperature of the tank and its surroundings. The first is constant for your tank, so the only variable is the room temperature. It will...

You're not the wrong way round - although there isn't a law about how to describe the dimensions of a tank (or other solid), the normal way is to describe the base first, and add the height as the last dimension- so exactly how you did it (eg, looking at a tank from the front, a 20 X 18 X 15...

I took all the braces off my brand new no-name tank (it had braces on all four sides), 45 x 37.5 x 37.5 cm, no problems. (I fill it to less than 1cm from the top.) however, the glass thickness to tank size ratio is probably greater on this sized tank - I think it's the same 6mm glass that would...

So you're constantly pumping water from the sump to the tank? Seems surprising that it smells funny. If by gnats you mean mosquito larvae fish 'em out and put the in the tank, your fish will go mad for them :D Got any pics of the setup? Mark

True, but some people find it easier/are happier to to measure out .37g by reading off a digital scale than working out what 1/16 of a teaspoon looks like - at the level of scales people are using there's probably no difference in accuracy between .37g and 1/16 teaspoon, it's just people's...

Good find! Mark

Why do you want clear tubing, if it's so expensive? Thanks for the info, Mark

Yeah, have to wait till Jonboy's back on to see what his plans for it are. He might have both the water and CO2 entering at the top of the reactor - unless it's a truly mighty water pump it probably would leave the CO2 at the top of the reactor for the water to flow through. Free standing...

Ooh, ooh, one more question: Why does one end finish with a 90 degree bend and one with a sweep tee? Cheers, Mark

That could be the inlet!

Looking good. Why do you use two types of joint (screw and sovent welded)? Isn't one easier to make watertight? And if so why use the other? Thanks for the info, as you can tell, have never worked with plastic pipes. Can't wait for the real testing! Best regards, Mark

Tropica have an article on this - it doesn't have a direct link, but it's easy to find if you go to tropica.com, click on aquaristic (top), and then on The open aquarium (right). Good luck with your new hobby! Mark PS it's not rims that reduce evaporation/condensation, but cover glasses or...

Yes, dramatically. if you go from 16mm to 12mm tubing, you're going from tubing with a cross section of 201mm squared to a cross section of 113 mm squared - almost a half as small. You'll need someone with better maths and knowledge of fluid dynamics to tell you what effect this will have on...

EX1200's tubing has internal diameter 15.2mm per teta's instruction manual here: http://uk.tetra.de/tetra/go/9A74DE9F7E9 ... geLanguage (they have awful urls) Mark

I use a Tetra tecEX600 on a 60l tank (45x37x37cm), and I love it. Have it on max turnover. The spraybar is just under 18", so just fits along the back of my tank nicely. I can see all plants (including the low level ones) moving in the current all the time. Your tank is a bit longer than mine...

300 mm? Really? I hate mine which is 150mm - would prefer one at 75 or so! Mark