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I can only guess that the reason for the 1/3 add per week is to allow time to seed the pellets and / or to assure you don't rapidily strip the nitrates/phosphates too quickly.
The bacteria eat the pellets....it's food. They grow and divide, and in the process utilize nitrates and phosphates (at approximately 16:1). The tumbling causes for some to be swept away and removed from your tank in your skimmer. And they eat more, grow, divide and get swept away...
Never swapped out. You just have to continue adding more as the bacteria eat up the pellets. As far as cost, if you purchase the 1 gallon container from BRS (normally $160), during a group buy, you can pick them up for $128.
Well I know they make 12" T5 fixtures because that is what I have over my saw in the shop. The issue is that I am not aware of anyone making the fancy aquarium bulbs for this size fixture. I have a "standard" bulb in my little fixture that was purchased at Home Depot. The bulb (without...
Well, here's the issue, it's not so much the chlorine (whatever that might be today), or the chlorine remover (which in the past was sodium thiosulfate).....it's the byproducts of the oxidation of all that crap that was in the rock and sand. Your nitrates (nitrites and ammonia too), phosphates...
I don't understand that. The last gallon of Kilz Complete I purchase dried very fast. Whatever organic solvent they used was very smelly (actually noxious), and dried to the touch within maybe 15 minutes. I can only guess they changed this organic solvent.
I'm not sure what baking soda will do that fresh water can't handle. For all the single celled, or small celled organisms that I know of, going from salt to fresh water causes too great of an osmotic difference, and the cells burst. It is common practive with blood cells to harvest the...
And then what? You would now have a dead tank with by products of oxidation from the bleach....a nightmare.
If you wish to re use rock and sand, I'd take both out and rinse and clean using tap water. Clean up the tank with vinegar, and start fresh.