Southern Illinois' #1 Pet Store

Dee’s Pets is Southern Illinois’ largest family-owned pet store. Conveniently located on Route 37 just north of Marion, Dee’s has been serving the region’s pet lovers since 1982. When you visit our super-clean 4,000 square-foot store, you’ll be impressed with our wide selection of freshwater fish, birds, reptiles, and small animals.  Of course, we also carry all of the supplies, food and medications you’ll need to keep your pet healthy and happy. We’re even happy to special order pet supplies! Plus our staff members are all experienced pet owners and lovers, sure to give you personal service and great advice on selecting and caring for the perfect pet.  So come and see us or give us a call at 618-997-3849.


May 29



Anoles $7.95

Adult Mack Snow Leopard Gecko (1yr) $69.99 male

Adult Albino Leopard Gecko (1yr) 89.99 male

Adult Hypo Leopard Gecko (1yr) 89.99 male

New Baby Ball Pythons $49.99

New Baby Leopard Geckos $44.99 (Jungle D, Hi Yellow JD, Normal)

Baby Ghost Cornsnake $49.99

Baby Snow Cornsnake $49.99

Baby Normal Cornsnake $49.99

Baby Bearded Dragons $59.99


Spice Finch


Spice  Finch

$ 24.95

Algae Information

Dee's Pets
Algae Prevention Caresheet

Obviously you can't do without water in your aquarium, but you can control the amount of light and nutrients are in the water. Here are the common reasons for algae overgrowth.

    •    Lights on too long or improper lighting (anything longer than 10 hrs)(regular shoplight tubes)
    •    Aquarium in a direct sunlight area (move tank away from natural sunlight in windows)
    •    Overfeeding the fish water changes (a fishes stomach is about the size of the pupil of its eye)
    •    Using water with high nutrients (have your source water tested, in case its not right for fish)
    •    Not using a bacteria replenishing system with newly started tanks
    •    Filtration not properly matched to tank size
    •    Phosphate present in water

Avoiding Algae Overgrowth
Reduce Lighting – Don't place the tank where there is direct sunlight, for even part of the day. Sunlight can, and will, promote algae growth. When using artificial light make sure it is not stronger than necessary, and is not on more than about eight hours each day. To ensure that, use a timer to turn the lights on and off each day.
Feed Less – The majority of owners overfeed their fish, which increases the phosphate levels in the water. Feed small portions and watch the fish eat. If      all the food isn't eaten in five minutes, you are feeding too much. Always remove any uneaten food promptly.
Water Changes – The single most important way to avoid algae is to perform regular water changes. Change ten to fifteen percent of your aquarium water every week to keep nutrients in the water low.
Know Your Water – Test your water source. If it is high in phosphates, you should consider using phosphate removers or find another water source. It's wise to also test for nitrates, as some water sources have elevated nitrates. It doesn't do much good to change the water if you are adding nutrients!
Clean It Up - If you see algae beginning to grow on the glass, rocks, or other hard surfaces of the tank, remove it. Scrape the glass, remove rocks and scrub them, and vacuum the gravel when you perform water changes.
Keep Live Plants – Live plants will use many of the nutrients that algae thrive upon. Fewer nutrients means there is less fuel for algae overgrowth.
Keep Algae Eating Fish – Keeping Siamese Flying Fox, Otocinclus, or even the common Plecostomus, will help reduce some of the algae in the tank.

Types of Algae
Already have algae in your aquarium, and need to get rid of it? Knowing the type of algae will help determine the cause and cure. Here are common algaes, and how to deal with them.
Brown, also known as Gravel or Silica algae. Common in new tanks, it will coat the tank in sheets, which are easily wiped off. It is usually harmless and will eventually go away as the tank matures.

Blue-Green, also known as Slime or Smear algae – Caused by excesses of nitrates and phosphates, this is actually not an algae at all. Instead it is a cyanobacteria. It can spread rapidly, and can cause considerable damage. Good water care will help, but if your water source has phosphates in it, you may have to use special treatments to remove the excess nutrients. Erythromycin is also effective against Blue-Green algae.

Red or Beard algae – This one is the toughest algae to get rid of, and usually appears on plants. A dip in weak bleach solution (5 to 10%) for a few minutes will often kill this algae.

Green, also known as Hair, Thread, or Spot algae – This is a normal healthy type of algae that every tank will most likely experience in some degree. As long as the tank is well cared for, it will not overgrow.

Green Water, also known as Algae Bloom – This is caused by growth of microscopic algae that are suspended in the water. It is one of the more frustrating types of algae to remove, as can't be wiped or scraped off like other algae. Generally water changes are not effective, as the remaining algae will quickly grow back. Use of a diatomic filter, or completely blocking all light for several days is usually necessary to conquer green water.

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Contact Us

(618) 997-3849

Dee’s Pets
11426 Route 37
Marion, Illinois



We’re open every day!

9 a.m. to 7 p.m
Monday - Saturday

12 p.m. to 5 p.m.