I Know...we might have to take a ourse in metaphysics to figure this one out... The substrate is a German product marketed here by the name "Aqualit" I have no idea what the American equivalent would be but I thibk it is clay based and it is very porous. The only description of it I've eve...

These are the VHO T5 compact bulbs. Do you know the ones I mean? The double barrel type with 4 pins. Half of them are 3 months old and the other half are less than a month old. I started the tank off as "Low Tech" primarily because I was forced to use the pathetically dim lights that came ...

Sorry about the metric, yes 150+ gallons converted. I looked closely at the packaging on the Scotts and I found the following data other than the obvious NPK percercentages: 14.0% Calcium 0.01% Boron 0.002% Copper 0.15% Iron 0.001% Manganese 0.001% Molybdinum 0.003% Zinc As a comparison I checked th...

I've recently setup a 600 liter heavily plated tank which has been running for about 6 months. After battling algae for most of that time it seems I've got a grip after reducing the use of my locally available aquarium plant fertilizer(Sera) and using a terrestial NPK fertilizer containing trace ele...