Downsizing Fertilizer Routine - Page 3 - Tropical Fish Keeping - Aquarium fish care and resources
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post #21 of 25 Old 06-13-2013, 09:11 PM Thread Starter
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post #22 of 25 Old 06-14-2013, 11:52 AM
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I cut back to two flourish doses. Since the last water change four days ago fuzz algae not as bad, but green spot is starting to smother some of the floating Pennywort. In addition I have a new development, now there is a blueish green slime on the surface of the water in a small area of the tank. Wow, I'm really sick of all this. I researched a little and could be blue/ green algae? What should I do about that? Should I go down to one dose of Flourish? Treatments includes antibiotics which I definitely don't want to do! I just treated the tank with Kanaplex for the fin rot and busted my cycle! I checked the ammonia and nitrates on Sunday. The ammonia was .25 and 0 nitrates! I did my water change and added Tetra Safestart (TSS) and the tank cycled in two days. In addition I'm suppose to wait two weeks before I do a water change with TSS.
This is cyanobacteria. I mentioned in my last post that I had this when I had the brown fuzz, so not surprising. Cyano is definitely an organics issue. The only safe way to deal with this is reduce the organics, and we (you) have already started on this path. Reducing the light can help, though this is only effective long-term if the organics are reduced, otherwise it will keep coming back.

Organics naturally occur from fish waste, decaying plant leaves, dead fish, etc. Excess plant fertilization also contributes. So reducing these, and cleaning up the substrate, along with water changes is the only "cure."

Antibiotics will kill it, obviously, since they kill bacteria which is what this is. But antibiotics will also kill good bacteria, and I have had plants killed. And fish can be affected too. Antibiotics should only be used in an aquarium if they are targetting a specific fish disease issue, never to deal with these other problems. The risk is too great.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #23 of 25 Old 06-14-2013, 05:00 PM Thread Starter
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This is cyanobacteria. I mentioned in my last post that I had this when I had the brown fuzz, so not surprising. Cyano is definitely an organics issue. The only safe way to deal with this is reduce the organics, and we (you) have already started on this path. Reducing the light can help, though this is only effective long-term if the organics are reduced, otherwise it will keep coming back.

Organics naturally occur from fish waste, decaying plant leaves, dead fish, etc. Excess plant fertilization also contributes. So reducing these, and cleaning up the substrate, along with water changes is the only "cure."

Antibiotics will kill it, obviously, since they kill bacteria which is what this is. But antibiotics will also kill good bacteria, and I have had plants killed. And fish can be affected too. Antibiotics should only be used in an aquarium if they are targetting a specific fish disease issue, never to deal with these other problems. The risk is too great.

Byron.
In terms of excess organics I don't have dead fish. I do not overfeed. I have the one Betta and I usually feed one fruit fly in the AM and two pellets in the evening. I always change the water at least once a week, I've never missed. For the fertilizer I can cut back to once per week. When I have dying leaves I trim, but the plants are healthy. The only other issue could be the substrate. I haven't vacuumed in a couple of weeks, but I was told in a planted tank not to, so how does that work? When I was vaccuuming, it would be a lot of debris, not sure where it came from though. My other concern is filter flow. I have a HOB padded down with extra filter media so there's no current for the Betta. I usually don't run an airstone, but only when I'm dosing meds. Last night I put in a small internal filter on the dead side of the tank. It has a spray bar that I pointed toward the wall. Seems like the tank didn't have enough circulation.

Thanks Donetta
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post #24 of 25 Old 06-14-2013, 05:07 PM
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In terms of excess organics I don't have dead fish. I do not overfeed. I have the one Betta and I usually feed one fruit fly in the AM and two pellets in the evening. I always change the water at least once a week, I've never missed. For the fertilizer I can cut back to once per week. When I have dying leaves I trim, but the plants are healthy. The only other issue could be the substrate. I haven't vacuumed in a couple of weeks, but I was told in a planted tank not to, so how does that work? When I was vaccuuming, it would be a lot of debris, not sure where it came from though. My other concern is filter flow. I have a HOB padded down with extra filter media so there's no current for the Betta. I usually don't run an airstone, but only when I'm dosing meds. Last night I put in a small internal filter on the dead side of the tank. It has a spray bar that I pointed toward the wall. Seems like the tank didn't have enough circulation.

Thanks Donetta
I stopped vacuuming my substrate but only after I found that there was next to nothing to vacuum. Just stopping may not be the best idea as it really depends upon your tank and how it copes with the detritus. It also makes a difference what the substrate is, gravel probably should always be vacuumed, sand, just the surface without disturbing the sand and, in many cases, not at all.

As far as your algae/cyano issues, I haven't had either so I don't know what might be best other than what has already been suggested.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #25 of 25 Old 06-14-2013, 06:13 PM
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In terms of excess organics I don't have dead fish. I do not overfeed. I have the one Betta and I usually feed one fruit fly in the AM and two pellets in the evening. I always change the water at least once a week, I've never missed. For the fertilizer I can cut back to once per week. When I have dying leaves I trim, but the plants are healthy. The only other issue could be the substrate. I haven't vacuumed in a couple of weeks, but I was told in a planted tank not to, so how does that work? When I was vaccuuming, it would be a lot of debris, not sure where it came from though. My other concern is filter flow. I have a HOB padded down with extra filter media so there's no current for the Betta. I usually don't run an airstone, but only when I'm dosing meds. Last night I put in a small internal filter on the dead side of the tank. It has a spray bar that I pointed toward the wall. Seems like the tank didn't have enough circulation.

Thanks Donetta
I wasn't meaning to imply dead fish, etc...only just pointing out the various sources of organics. Here I think the plant fertilizers are involved, since recently you have cut back on the entire balaqnce and obviously an imbalance is goping to exist for a time until the "new" balance is established. And like algae, cyano is always quick to take advantage.

With this present, I would dig into the substrate well, in open areas. I had to do this in my 70g when it got cyano, bad. I just kept at it, weekly thorough cleanings with water changes, cut back on fertilizer, and removed as much of the cyano by hand as I could. Eventually it suddenly cleared up.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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