11-25-2013, 05:39 PM
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Originally Posted by rsskylight04
My established tanks are all clear and i never have problems with cloudiness. Im m switching from gravel to sand in one of my tanks and I thought it might be a good way to get the water clear before adding fish. I'm worried that wharever settles to the bottom will be toxic or harmfull to fish or plants. I plan on doing large water changes before adding fish, but I'm really paranoid when it comes to my fish. Another question: is aquarium clarifier the same as clarifier use in swimming pools and hot tubs? Its called "cationic clarifier" . Any clue what that means or if its safe for fish?
Thank you both vey much for your input.
don't know about the pool clarifier.
I would empty the tank out, add the sand, then pour the water back in over a dish. And then just let it set for a day ot two. Should be clear by then. None of the stuff the settls down to the sand should be harmful to your fish.
If you're planted I would add 1" peat moss, 1" play sand, 1" pc select. Wet each layer, level that layer, then add the next. With that method the tank is clear almost immediately. and the plants will condition the tank to prevent cycles and provide a healthy enviroment for the fish.