Millipede Substrate

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New pet millipede keepers consistently underestimate the importance of the substrate in their pets' tanks. The substrate is the source of everything for a pet millipede. It is their primary food source. It is their shelter. It is their source for hydration. A good substrate provides all these things and any supplemental foods or products are just secondary.

Please review my Pet Millipede Care Sheet for more information and photos.

The most important ingredient in a pet millipede's substrate is decaying leaves from hardwood trees. These are best mixed into a base like compost soil, the density of which helps to conserve moisture, provide stability/structure when the millipede burrows and is itself a source of food. If your substrate isn't being turned into fecal pellets, it's not good substrate.

I'm sorry but these products cannot ship by express mail, due to weight. Shipping cost is built into these (they ship ONLY by Priority Mail, a 2-3 day service by default and usually separately from other products you order.)

For millipedes we offer six options.

1. The Composite Blend is ALL the necessary ingredients for pet millipedes in a 3 pound blend of the following: dried leaves, compost soil, sand, and sphagnum peat moss, plus a little bit of calcium carbonate power mixed in to support the building of your pet's exoskeleton. This is enough substrate to provide food for a millipede or group of millipedes for maybe six months, depending on the size of the millipedes, etc. It can be mixed in with your current substrate to freshen it up with all the healthy ingredients that may be depleted from your substrate. $15 for 3 lbs. Free Shipping.

2. The Composite & Hardwood Cup substrate option (3 lbs per shipment for $17) is essentially the same as the composite subtrate above but includes a 2 ounce cup of properly decayed oak wood (oak flake soil) in the form of slightly chunky sawdust. Sprinkle a third of the cup on the surface of the substrate every couple of months or as needed. These fine bits are more easily manipulated by millipedes. Free Shipping.

3. Edible Compost is a mixture of various organic composted ingredients. It is an ingredient in our composite blend from #1 above but is purchased my many keepers that may otherwise just want this select material. 2 pounds for $15.

4. The Oak Flake Soil - this is 1 pound of 100% medium to soft decay oak wood flakes. This is the premium grade product. It consists of finely ground fermented oak wood mixed with finely ground wild collected oak wood. It is freeze-treated to sterilize it. $21 per pound.

5. Oak Chunks in Compost 2 lbs. of compost plus a sandwich sized bag of oak chunks (small nibbleable pieces. Go ahead, say nibbleable five times real fast!). $19.


Please choose Substrate Type in the dropdown menu.

Note that we sterilize this substrate but that it is organic material and all organic material continues to decay. Some mold may form as it encounters all the native spores in your home and in that new environment. It is a normal process. Little bits of mold may be spot cleaned. The substrate may need to be turned over a bit. After a month or so the micro-ecosystem in your cage should come into balance. If you already have a seasoned cage set up, adding smaller amounts of our substrate to the tank over time will help to keep the ecosystem in balance.

pet millipede substrate
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  • Item #: bic790
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Price $15.00

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