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This permanent indication test uses colouration to show the aquarist the pH value and the CO2 content of the aquarium water at any time.
You can read off whether the pH value is within the optimal range and whether the plants have sufficient CO2 as their main nutrient available during the day 24/7.
How exactly does the test work?
The CO2 dissolved in the aquarium water diffuses in the container of the permanent test, passes into the air column containing the indicator liquid and then dissolves in the liquid. This creates a pH value, which results in the discolouration of the indicator liquid. The colour displayed corresponds to a certain pH-value and, depending on the carbonate hardness of the water, you can read off whether the resulting CO2 content is too high, too low, or optimal.
If another pH-lowering or increasing substance (e.g. pH-Minus) apart from CO2 is added to the aquarium water, it cannot diffuse through the air column in the permanent test and thus does NOT affect the indicator liquid. In this case the pH value displayed would not be correct. It only shows correct values, when there are NO other pH-influencing substances in the water besides CO2.
How long does it take until the test displays correctly?
Due to its design the test is somewhat sluggish, because the CO2 gas needs to first "migrate" through the air column in the test vessel, then into the indicator liquid and can only then be displayed. It can therefore take up to one hour until the test shows the current CO2 content of the aquarium water for the first time.
Recommended CO2 content:
Freshwater aquarium (community aquarium): 15-35 mg/l;
Lake Malawi-Tanganyika aquarium: 4-10 mg/l;
Plant aquarium with few fish (aquascaping): 20-35 mg/l
Important Notes:
Our goal is to use the fastest delivery service possible, although the shipping fee may be higher, we always want our customers to be satisfied and make sure the livestock arrives at your door safe and healthy.
** DOA POLICY UPDATED AUGUST 02 2023
** Area do not ship.
** Shipping Unit.
** How long is the shipping time for livestock?
** For other shipping.
However, the shrimp and fish you receive may be discolored and the reason of this issue is strong vibration during transportation and they're not be fed during the transport period
To handle this problem we highly recommend to you:
🚩Let the fish relax helps them adapt to any changes in water temperature in the tank. Also prevents pH shock - an imbalance between the water in the shop tank and your tank.
🚩Place the fish bag in a cool, corner, and dark place. Prevent the bag from being bumped, slipped, or dropped. This'll give your new fish a good recovery and acclimatization after a shaky ride from the shop to your home.
🚩Feed your old fish first to distract them, preventing them from bullying your new fish.
🚩Your new aquarium tank should have a pH of zero ammonia and chlorine before adding new fish.
🚩Turn off the lights, reduce the glare in the room, or limit the light entering the aquarium. This will help the new fish not be stressed.
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The long finned Cory's are amazing. Beautiful condition and their tails are stunning.
Received in great condition although was missing a few. That issue got fixed quite quickly. Very happy with them.
Arrived in excellent condition. They're enjoying swimming around in their new tank.
Arrived in excellent condition and great addition to my tanks.
I’m a many times repeat customer here. As always, these were a perfectly healthy group of animals. I am always blown away by how little stress they seem to experience, adjusting to my tanks immediately. Will be back again!