algae

awesome kid · 07-17-2005, 04:25 PM

i think i have a problem...
my pond (1500 gallons) had green algae so i treated it with pondcare algaefix. the algae dissapeared and reappeared 2 days later but was brown. is there such a thing as brown algae?

shev · 07-17-2005, 04:43 PM

yeah there is a thing as brown algae, usually called diatom algae. But I dont know why the stuff would cause that. could be dead algae?

is it floating, or stuck to something? or is it like greenwater? large die offs of algae can suck the oxygen out of the water, killing the fish.

could be planktonic algae, it ranges in color from green to brown.

I think your D.O. levels are low. if it turns bron it means there isnt enough disolved oxygen. algae could of died fromt he treatment, pulling oxygen out of the water, causing the next batch to turn brown? just guessing, I dont know.

Huugs · 07-17-2005, 05:05 PM

Is it long hairy algae stuck on the sides?

Ive got tonnes of that on mine and havnt really thought much about it. I bought a small hay bale in a net which apparently kills algae as it rots. I think it releases a chemical into the water that kills it but I only put it in the other day and it says it take a month or so to start working. Could be worth a try for u rather than using chemicals.

**fish_doc** · 07-17-2005, 05:10 PM

The natural attack is usually the best approach for ridding yourself of problems.
Snails and freshwater clams would be your best attempt. They would work on all types of algae.

**Damon** · 07-18-2005, 08:29 AM

Agreed, a huge algae die-off will lead to depleated O2 levels in the tank. Could kill off any fish in the pond.

awesome kid · 07-22-2005, 04:29 PM

i think it was dead algae because it went away and now my water is crytal clear. i dont know why it came in the first place though becayse there are tons of real plants in there.

Thunderkiss · 07-23-2005, 01:52 PM

Nutrient spike possibly.

07-17-2005, 04:25 PM	#1
awesome kid Huh? Join Date: Jun 2005 Location: I'm right behind you, hahahahaha Posts: 268	algae i think i have a problem... my pond (1500 gallons) had green algae so i treated it with pondcare algaefix. the algae dissapeared and reappeared 2 days later but was brown. is there such a thing as brown algae? __________________ Here are my virtual pets! 55 mbuna 29 community clueless cat even more clueless dog

07-17-2005, 05:10 PM	#4
fish_doc Advisor to Neptune (Mod) Join Date: Jan 2005 Location: Northern Illinois Age: 40 Posts: 3,834	The natural attack is usually the best approach for ridding yourself of problems. Snails and freshwater clams would be your best attempt. They would work on all types of algae. __________________ Dave (fish_doc) A World of fish

07-18-2005, 08:29 AM	#5
Damon Aquatic Naturalist Join Date: Jan 2005 Location: Dayton, Ohio Age: 32 Posts: 14,982	Agreed, a huge algae die-off will lead to depleated O2 levels in the tank. Could kill off any fish in the pond. __________________ For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow. Member of the AGA (Aquatic Gardner's Association) Member of the IBC (International Betta Congress)

07-22-2005, 04:29 PM	#6
awesome kid Huh? Join Date: Jun 2005 Location: I'm right behind you, hahahahaha Posts: 268	i think it was dead algae because it went away and now my water is crytal clear. i dont know why it came in the first place though becayse there are tons of real plants in there. __________________ Here are my virtual pets! 55 mbuna 29 community clueless cat even more clueless dog

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07-17-2005, 04:43 PM	#2
shev Senior Member Join Date: Jan 2005 Location: Montana Age: 19 Posts: 1,561	yeah there is a thing as brown algae, usually called diatom algae. But I dont know why the stuff would cause that. could be dead algae? is it floating, or stuck to something? or is it like greenwater? large die offs of algae can suck the oxygen out of the water, killing the fish. could be planktonic algae, it ranges in color from green to brown. I think your D.O. levels are low. if it turns bron it means there isnt enough disolved oxygen. algae could of died fromt he treatment, pulling oxygen out of the water, causing the next batch to turn brown? just guessing, I dont know.

07-17-2005, 05:05 PM	#3
Huugs Senior Member Join Date: Apr 2005 Location: London UK Age: 23 Posts: 251	Is it long hairy algae stuck on the sides? Ive got tonnes of that on mine and havnt really thought much about it. I bought a small hay bale in a net which apparently kills algae as it rots. I think it releases a chemical into the water that kills it but I only put it in the other day and it says it take a month or so to start working. Could be worth a try for u rather than using chemicals.

07-23-2005, 01:52 PM	#7
Thunderkiss Senior Member Join Date: Mar 2005 Posts: 376	Nutrient spike possibly.

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