06-18-2011, 10:58 PM
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i just wanted to update on this. i went with the under gravel filter with the powerheads its been a while now and as of this past weekiv been getting alot of air bubbles comeing up from under the sand whitch is a sign the bacteria is doing its job. iv yet to do a water test to confirm this as i am out of test equipment (dog decided to destroy it dont worry he didnt injest anything lol) till later this week. one thing i have to say is with the force of the power heads its made my sand like concreat so when i remove them and the tubes next week im gunna have to stab at it a bit.