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Toxins Contaminants

Phosphate Removers Are A Waste of Money

You should be aware that in the normal scheme of things, phosphates cause algae to flourish. As such, phosphates became ‘the enemy’ to marketing weasels who would have you believe that algae are the...

Water Changes for Health, and Ammonia Control

If fish are suffering illness due to any obvious deterioration of water quality, you are well advised to begin a systematic daily changing of 20-40% of the total volume in the system. There are...

Hydrogen Sulfide Pond Gas – Not Very Common

Hydrogen Sulfide gas is a gas produced in an-aerobic pockets under water. These may occur anywhere there is deep sand or sediment, or in a sump with thick mulm. Hydrogen Sulfide Pond Gas –...

Tannin Stains or Yellow Water and It’s Treatment

My pond is about 3 months old. The water is clear but has a yellowish tint that I would like to get rid of. I have koi and water plants in the pond. All...

Using Rotenone To Renovate Fish Populations In Farm Ponds

Written by Dr. Martin Brunson Rotenone – To Kill 100% of Fish Population – by Dr. Martin Brunson Using Rotenone To Renovate Fish Populations In Farm Ponds The ultimate fate of many farm ponds...

Everything You Need to Know About Nitrites

Nitrites – A Tenth the Level of Ammonia is enough to Kill. i.e. 3.0 ppm ammonia is as deadly as 0.3 ppm nitrite. Nitrites: Second Waste product in the Cycle, Low Numbers KILL! Nitrite...

Ammonia “The Silent Killer” Koi Health and Ammonia Accumulation

Ammonia is the primary chemical waste product of the fish. It’s basically fish urine. It can accumulate in ponds and cause health problems for the fish. Step Four is to assess this ammonia level...

Dechlor, Dechlorinator, Sodium Thiosulfate: All Neutralize Chlorine in Fish Ponds and Tanks

Dechlorinator What it is: Water gets sent to your house by a municipal water company. They get this water from different sources, many of which aren’t 100% germ free. The water gets treated with...

Activated Charcoal – Carbon Filtration (Purification)

Activated Carbon – Charcoal Activated Carbon – Detailed information – by Carl Gittings This article was prepared by Carl Gittings in preparation for Koi Camp 2002 at Ashland Berry Farm. ACTIVATED CARBON Activated carbon...

Chlorine and Chlorination, Chloramines and Aquatic Life

Chlorine (You better know about this). When water comes out of your hose, in most areas, it’s “city water”. This means that it is accumulated by and “made drinkable” by the city. Then the...

Hydrogen Sulfide Gas is a Rare Problem But It Kills When It’s Present.

Hydrogen Sulfide is not a common problem in fish ponds, as far as we know. (It *is* a problem in fish tanks, though. Especially at a major cleanout and with disruption of the sand...