Peroxide to kill algae
Posted 15 February 2007 - 09:54 AM
Posted 15 February 2007 - 10:49 AM
The peroxide will definitely dissipate soon (I'm not exactly how soon). The peroxide has a stronger effect against unicellular organisms with lesser ability to protect themselves enzymatically, so I'd expect some bacterial damage. But it's a balancing act that way, I guess, as to what's the lesser harm.
Posted 15 February 2007 - 10:53 AM
Quis custodiet ipsos custodes? - Juvenal
Posted 15 February 2007 - 12:11 PM
Peroxide breaks down soon enough that I have used it daily for about, oh, maybe 4 or 5 days straight. It will kill bacteria, but in a soil substrate there are far more bacteria than the peroxide can kill before it is broken down. Since your tank is heavily planted, the plants should remove a good deal of the ammonia even if the biological filter is not up to speed for a couple days. I've never had a problem with ammonia when using it.
Posted 25 February 2007 - 07:23 PM
Posted 26 February 2007 - 03:07 PM
Posted 03 March 2007 - 09:08 AM
What type of nutrient control are we talking about in a Walstad low tech type set up. Would some carbon in the filter for a while be a good idea? Tank is up 2 months and I am getting some hair on some of the leaves and the water has quite a yellow tinge.
Posted 03 March 2007 - 11:42 AM
If phosphorus is added, the problem is that it is in a form that isn't easily used by plants, but IS easily used by algae. The other problem is that filter additives like "phosban" don't seem to absorb it (it even says on the label that it isn't for use in such water). The best solution I found is to use DI or RO water. Aquarium Pharmaceuticals makes a DI filter that is the most affordable I have seen.
Once the algae is killed (by peroxide), the phosphorus is in a form that plants can use more easily, and can be absorbed by filter additives.
Lastly, reducing light can help, if your plants can stand it. A heavily planted tank helps too, which you already have.
Posted 06 March 2007 - 12:17 AM
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