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hoppycalif · 10-21-2007, 03:14 PM

CO2, as important as it is, is almost worthless without enough water circulation to get a steady supply of CO2 enriched water to all of the plants. That is possibly an overstatement, but not by much. I have repeatedly found that my algae problem increase in proportion to how crowded my tank is with plants. The more crowded, the less water circulation I get within the heaviest planted areas. But, the drop checker always says I have 30 ppm of CO2. We just need to keep up with water circulation just as we keep up with other tank parameters. That generally means pruning regularly.

10-21-2007, 03:14 PM	#8 (permalink)
hoppycalif Senior Member Join Date: Apr 2005 Location: Sacramento, CA, USA Posts: 5,208 iTrader Ratings: 20 iTrader Positive Rating: 100% Plant Points: 227345	Re: Black Spot Algae? CO2, as important as it is, is almost worthless without enough water circulation to get a steady supply of CO2 enriched water to all of the plants. That is possibly an overstatement, but not by much. I have repeatedly found that my algae problem increase in proportion to how crowded my tank is with plants. The more crowded, the less water circulation I get within the heaviest planted areas. But, the drop checker always says I have 30 ppm of CO2. We just need to keep up with water circulation just as we keep up with other tank parameters. That generally means pruning regularly.