WEBPAGE UPDATED Sunday January 23, 2021
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IT IS IMPORTANT TO SEPERATE AND UNDERSTAND MYTH FROM FACT ABOUT THE TOXIC EFFECTS OF OXYGEN DURING LIVE FISH TRANSPORTS
MYTH: TOO MUCH PURE OXYGEN DURING LIVE TRANSPORT IS DEADLY AND CAN WILL KILL YOUR LIVE BAIT AND TOURNAMENT FISH.
FACT: THE DIFFERENCE BETWEEN MICRO-BUBBLE DIFFUSERS AND LARGER BUBBLE DIFFUSERS IS HOW QUICKLY THE DIFFUSER CAN ACHIEVE DO SATURATION IN LIVEWELL WATER CONTAINING FISH.
FACT: HOURS OF CONSTANT EXPOSURE TO MILLIONS OF TINY MICRO-BUBBLES OF OXYGEN TRAPPED IN THE WATER COLUMN DURING LIVE TRANSPORT, THAT MAKE LIVEWELL WATER CLOUDY, MILKY CAN AND IS TOXIC. OXYGEN GAS BUBBLES CAN AND WILL INJURE/KILL LIVE BAIT AND TOURNAMENT FISH. OXYGEN GAS EXPOSURE/CONTACT WITH FISH TISSUE IS HIGHLY CORROSIVE.
MICRO-OXYGEN BUBBLE CHEMISTRY and MICRO-OXYGEN BUBBLE PHYSIOLOGY MUST BE CONSIDERED
THE TOXIC MICRO-OXYGEN BUBBLE TRAPPED IN LIVEWELLS and BAIT TANKS
1. Water and the oxygen gas chemistry – micro-fine oxygen bubbles so tiny they remain suspended in the water column because they are so small, they cannot escape the surface water tension, and make livewell water look milky transfer gaseous oxygen into dissolved oxygen fast and efficiently Water reaches DO saturation/supersaturation quickly is 25–100-gallon livewells/bait tanks. Diffusers that make larger bubbles take additional time to reach DO saturation in livewell water.
2. Fish Physiology, oxygen gas bubble contact and the Fish Pathology – another matter that is seldom mentioned when live fish and shrimp and other aquatic animals that are being transported using pure oxygen, diffusers that will produce millions of micro-fine oxygen gas bubbles can negatively affect fish health – oxygen poisoning caused by continuous exposure of gaseous oxygen, those micro-fine oxygen gas bubbles trapped in the livewell water column that cannot escape the water will coalesce to fish gills, cornea’s, scales, skin and fins. The oxidation of cell membranes causes serious chemical burns and irreversible tissue damage resulting in open wounds, infections, gill failure, blindness, sickness, pain, stress, misery and death. Oxygen toxicity (O2 Poisoning fish with oxygen gas) is caused by the fisherman’s ignorance of the devices that make millions of tiny micro-fine O2 bubbles in livewell water.
Oxygen toxicity is never cause by high dissolved oxygen supersaturation in the transport water at ambient barometric pressures.
VISIT: Toxic Micro-Fine Oxygen Bubbles Kill Bait and Fish | The Oxygen Edge ™ https://oxyedge-chum.com/toxic-oxygen-bubbles/
Gas diffusers and livewell water pumps that entrain ambient air on the inlet side of a livewell water pump’s impellers because of leaks and ventures device entrain air into the inlet side of the water pump. Millions of pressurized micro-fine air bubbles exit through that outlet side of the water pump into the livewell water. The result is Nitrogen supersaturation, not dissolved oxygen supersaturation.
Hydrogen peroxide (H2O2) has been used as an antiseptic over 100 years effectively killing bacteria by destroying cell walls. This process is the result of powerful oxidation qualities. Oxygen atoms are extremely reactive, easily destroying cell walls. Fish contact with livewell water containing H2O2 can also be extremely destructive to fish’s cell membranes, fish gills and corneas exactly the same way.
We queried university professors and experts. Our concern is the pathophysiology (oxygen toxicity) occurring when micro-fine oxygen bubbles stick inside fish gills, get into blood, stick in eyes, on scales, fins and skin.
We asked University Professors, Fish Physiologist, the real fish doctors:
Conditions: When captive fish are transported for many hours in small livewells exposed to clouds of suspended micro-fine oxygen bubbles (bubbles so and so many they livewell water look milky, cloudy in livewells with relatively small functional water volumes 25-50 -100 gallons water):
- Can these tiny micro-oxygen gas bubbles injure fish or bait during hours of live transport?
2. Is the stress response increased?
3. Is the probability of high mortality/morbidity increased?4. Are we actually causing physiologic harm to tournament fish or live bait when holding and transporting them in clouds of bubbles for hours or even all day?
4. Fishermen transport many different species of live tournament fish for hours or every summer; What happens to delicate fish tissue when continuously exposed to thousands of tiny micro-oxygen bubbles that coalase to delicate gill tissue, corneas, scales, skin and fins for hours, all day during transport?
We thank these university professors for offering their time, providing their knowledge, expertise and opinions freely so that fishermen worldwide, can become better educated and hopefully take better fish care of live fish in transport.
We appreciate these expert opinions expertise in fish cardiovascular physiology, fish biochemistry, fish pathology, fish physiology, and the principles and practices of modern aquaculture techniques.