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Has anyone had experience of one of these regs: http://cgi.ebay.co.uk/Precision-Regulat ... 335d846d55 I've emailed the seller about thread size and max pressure but they didn't know. So I tracker down the manufacturers from the side of the box and emailed them but I'm not really expecting a...

Assuming no CO2 injection and just dosing Excel/Easycarbo, if the dosing fluctuated, would there be a detrimental effect on plant growth? I'm thinking instead of dosing every day, dose once a day for a few days, then not dose for a day, dose again, leave for two days etc etc. Would the plants...

Does anyone have any experience of the Spiro diffusers? They are like the rhinox type but have a spiral in them as well. Any thoughts? Cheers, Graham

A planted tank forum wouldn't be complete without at least half a dozen CO2 yeast recipes, so what's the best one? All the recipes I've found all refer to cups of sugar, which is far to vague for a non-american to understand. Are we talking dainty tea cups or man-sized mugs? Is it worth...

Hi all, I bought a dennerle CO2 bio-line (I think it's called) kit which is a bottle of sugar gel, a capsule of yeast, a 'Topper' (CO2 diffuser), bubble counter, insulated box and some tubing. So far, I'm not impressed. The gel is supposed to keep the CO2 production fairly constant and longer...

Can reactors and diffusers be used with yeast produced CO2 or is extra pressure required to use them effectively?

Rather like Matt, I had an epiphany moment this morning, although mine was when I was driving to work.... I'd been thinking about getting some CO2 in my tank as it seems all the rage at the moment, and was wondering about DIY/yeast/FE's etc. The general consensus seems to be that you need...