we have many specification of bases and sockets for our uv lamp.
Bi-pin ,four pin.two pin based. And 2G11 base,G13 base etc.
we can also custom according to our client`s requirement.
we have normal 4pins base,and 4pin step base ,Rcan base for different UV gernicidal lamps.
Base and Socket Base and Socket, Base For UV Lamp, UV Germicidal Lamp Ningbo Sunfine UV lighting Co.,ltd. , http://www.uvlightings.com
Regulation of water quality In the later period of cultivation, the depth of the pool is required to be 1.5 meters or more, the transparency is more than 30 centimeters, and the water is changed every 7 to 10 days, and the water level is kept stable to prevent the escape of crabs and the formation of cave crabs. Every 15 days, 15 grams per mus of lime were used to squander the whole pool in order to increase the water body's calcium content and meet the calcium requirement when the crab migrated from yellow crab to green crab. There must be enough aquatic plants in the crab pool, and the coverage rate is stable at about 50%.
Note that the main diseases of the disease-resistant river crab are ciliate disease, black shank disease, and shelling disease. Usually every 7 to 10 days per liter of water with 0.5 mg of strong chlorine fine Quanchiposa, regular addition of terramycin, dehulling, etc. in crab feed to prevent crab disease. When ciliate disease is found, 0.75 kg of carapace net per acre can be splashed. Found dead crabs, immediately find the cause, the right medicine, and deep-buried crabs to prevent the spread of the disease. Water rat, frog, water snake and other predators in the crab pond should be removed immediately.
Timely arrest When the water temperature is lower than 10°C, catch it in time to prevent crabs from drilling or drilling mud. You can use cages, water and light trapping methods, etc. After most of the crabs are caught, they are drained, and the crabs are caught in the net.
Base and Socket
Pond rear crab management
The input of feedstuffs and feedstuffs requires a combination of fine and coarse, a reasonable mix of animal and vegetable feeds, and animal feeds. Available animal feedstuffs: small junk fish (shrimp), snail (cockroach and clam) meat, animal viscera, cocoon, fish meal, etc., which account for more than 70% of the total amount of feed; available vegetable feeds: Bean cakes, wheat, fruits, corn and so on. Can also feed protein content of more than 40% of the crab full price pellet feed. All kinds of animal and vegetable feeds should be cut into pieces or pieces, placed in shallow water areas with aquatic plants, and the distribution should be uniform. The amount of daily feeding accounts for 5% to 8% of the amount of pool crabs, and they are fed twice a day. The amount of feeding in the evening accounted for 70% of the total daily feeding. Remove the bait in time to avoid damaging the water quality.