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Fish Supplies/
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Aquarium UV Bulbs

Aquarium UV Bulbs

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Pondmaster Replacement Lamp
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In Store Only! Petco Perks. Earn $20 Petco Cash when you spend $100+. Activate Now. Ends 10/31/26. Terms Apply.

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Terms $50: From 10/16-10/31/26, Petco Perks members can earn promotional bonus points in-store at Petco or Unleashed by Petco: earn 10,000 points ($10 Petco Cash) when you spend $50–$99.99. Must activate offer to use in store. Limit one offer per customer. Qualifying spend is calculated on the subtotal before taxes, discounts, and shipping and must be spent in a single transaction. Pet services, gift cards, donations, membership fees, taxes, and shipping are excluded. Bonus points load to accounts on 11/1/26 and must be used by 11/14/26.
Terms $100: From 10/16-10/31/26, Petco Perks members can earn promotional bonus points in-store at Petco or Unleashed by Petco: earn 20,000 points ($20 Petco Cash) when you spend $100+. Must activate offer to use in store. Limit one offer per customer. Qualifying spend is calculated on the subtotal before taxes, discounts, and shipping. Pet services, gift cards, donations, membership fees, taxes, and shipping are excluded and must be spent in a single transaction. Bonus points load to accounts on 11/1/26 and must be used by 11/14/26.
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Aquarium UV Bulbs

A UV sterilizer can be an effective tool with controlling bacteria and parasites. It is also very useful in pond applications to control free-floating algae. UV sterilizers are a form of mechanical filtration utilizing a germicidal fluorescent lamp that produces light at a wavelength of approximately 254 nanometers. To keep UV production as high as possible, it is recommended to change out UV sterilizer bulbs every 6-12 month. After 6 months the bulbs will start to lose their effectiveness.

The cleanliness of the quartz sleeve is really important, if a film or deposits cover the sleeve, it will be less to totally ineffective. The time the water is allowed to flow past the UV light will contribute to its performance, the longer the contact time the more effective.

Frequently Asked Questions

: A UV sterilizer is a form of mechanical filtration utilizing a germicidal fluorescent lamp that produces light at a wavelength of approximately 254 nanometers.

: It is recommended that you change a UV sterilizer bulb every 6-12 months. After 6 months the UV bulb will start to become less effective, with reduced output.

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Is an LED flashlight safe for fish if my tank light is broken?
Hello, and thanks for contacting Petco Pet Education Center, formerly Petcoach. Yes, the light itself is safe as long as 1) you secure the flashlight in such a way that you can be 100% certain it cannot fall into the tank, and 2) the flashlight doesn't create excessive heat.
Updated on September 24th, 2025
Home & Habitat
What UVB bulb and lighting schedule does my anole need while I'm gone?
The ReptiSun 5.0 UVB bulb will provide sufficient UVA/UVB lighting for an anole. Be sure it is not obstructed by glass or plexiglass and replace it every 6 months (it loses strength over time). Leonard should have 12-14 hours or lighting each day. The simplest way to ensure this is to place the tank light and UVB light on a timer. If temps drop below 65 F at night, you'll need a supplemental heat source for the enclosure. A ceramic heat emitter (CHE) will emit heat with no visible light so as to not disturb him at night. You can read more about anole care here: http://www.anapsid.org/anole.html
Updated on September 24th, 2025
Vet Q & A
Best lighting for red eared sliders: UVA, UVB, and heat explained?
A RES requires full spectrum lighting (UVA and UVB) and lighting that provides heat. The dry dock, or basking area, should be completely out of the water. Basking temps should range between 90F and 95F (32-35C). You should place the UVA/UVB bulb as close to the heat lamp as possible. It should be no more than 12" away from your RES and should not have a barrier between it and your turtle. Glass, acrylic and plastic block UVB while screens with grids under 1/2" can obstruct a good portion of UVB rays negating the health benefits. Lighting should be on for around 12 hours a day, depending on the time of year. Full UVA/UVB bulbs need replacing every 6 months. The simplest combination for adequate lighting is a UVA/UVB fluorescent bulb and an incandescent light bulb (for heat). Incandescent light bulbs are standard household lights easily purchased at stores such as Home Depot or Lowes. Make sure your RES cannot splash water on it or come into contact with it. You can also consider halogen lights and red heat bulbs for supplemental heat. You can buy the UVA/UVB bulbs at most pet stores. Search in the Reptile section. They can also be purchased online for around $30-$40. ReptiSun 10.0 (by ZooMed) or ReptiGlo lights are quality full spectrum bulbs.
Updated on September 24th, 2025
Health & Wellness
My fish tank is cloudy with high nitrates after meds. Will UV help?
Thanks for reaching out about Fishy. A UV sterilizer will only help if a bacterial component is adding to the cloudiness. More intense water changes are the best way to remove nitrates. Monitor feeding to limit excess, vacuum bottom of tank to remove degrading detritus. Good luck.
Updated on September 24th, 2025
Vet Q & A
20-gallon tank setup: What fish and supplies do I need to get started?
A fish tank will need a filter, a light/hood and a heater. Make sure the filter is rated for at least twice the tank volume. The heater should be adjustable since water temperature will depend on the species of fish. Good "starter" fish include Tetras, Mollies, Danios or Tetras. A new tank should be set up and left running empty for several weeks before adding fish. A pinch of flake food can be sprinkled in daily. This "cycling" will allow a population of beneficial bacteria to colonize the tank and filter. These bacteria will break down wastes (ammonia, nitrites and nitrates) which are toxic to fish.
Updated on September 24th, 2025

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