{"product_id":"large-assorted-acorn-caps-7-count","title":"Natural Assorted Oak Acorn Caps (Quercus macrocarpa \u0026 Quercus acutissima) 7 Count","description":"\u003cp\u003eEnrich your vivarium ground cover and stimulate natural foraging behaviors with all-natural assorted Oak Acorn Caps. Featuring a hand-selected mix of heavily fringed Bur Oak caps and smooth Sawtooth Oak caps, these quarter-sized botanicals provide durable micro-shelters and supplemental grazing for bioactive clean-up crews, while slowly conditioning blackwater aquariums with beneficial tannins and surface biofilm.\u003c\/p\u003e\n\u003cp\u003eAcorn caps are an indispensable component of authentic forest-floor leaf litter scatter. Sourced and dried in the USA, our assorted 7-pack combines the distinctive, mossy-fringed cups of the Bur Oak (\u003ci\u003eQuercus macrocarpa\u003c\/i\u003e) with the smooth, classic cups of the Sawtooth Oak (\u003ci\u003eQuercus acutissima\u003c\/i\u003e). Because they are substantially denser and woodier than standard deciduous foliage, acorn caps resist rapid decomposition, maintaining their structural integrity across months of high vivarium humidity. In bioactive terrariums, isopod colonies and springtails flock to the concave interiors, utilizing them as humidity-trapping nurseries to shelter, molt, and graze on decaying organic lignin. Submerged in freshwater aquascapes and nano shrimp setups, they release a gentle wash of humic substances to condition water naturally while cultivating a rich, continuous biofilm graze-pad for dwarf shrimp and fry.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNatural Textural Variety:\u003c\/b\u003e Curated with 4 fringed Bur Oak caps and 3 unfringed Sawtooth Oak caps, delivering organic contrast and dimensional scale to terrarium substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Microfauna Refugia:\u003c\/b\u003e Rigid woody construction holds up against high humidity and damp soils far longer than flat leaves, creating permanent, humidity-trapping micro-caves for springtails and isopod mancae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBiofilm \u0026amp; Tannin Reservoir:\u003c\/b\u003e Submerged caps gently release humic compounds to naturally tint and soften aquarium water while growing an abundant microscopic biofilm pasture for grazing invertebrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdeal Nano Proportions:\u003c\/b\u003e Measuring approximately 1 to 1.25 inches across (about the size of a US quarter), they integrate cleanly into desktop vivariums, isopod breeding tubs, and nano aquascapes without crowding small layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e100% Organically Sourced in the USA:\u003c\/b\u003e Sustainably gathered and naturally sun-dried without chemical washes, synthetic pesticides, or artificial sealants—completely safe for sensitive amphibians, reptiles, and aquatic species.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBotanical Names:\u003c\/b\u003e \u003ci\u003eQuercus macrocarpa\u003c\/i\u003e (Bur Oak) \u0026amp; \u003ci\u003eQuercus acutissima\u003c\/i\u003e (Sawtooth Oak)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCommon Names:\u003c\/b\u003e Oak Acorn Caps, Bur Oak Cups, Sawtooth Acorn Tops\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOrigin:\u003c\/b\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Approximately 2.5 to 3.2 cm (1\"–1.25\") in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 100% natural, sun-dried woody oak acorn caps\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTannin Level:\u003c\/b\u003e Mild to Moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePack Size:\u003c\/b\u003e 7 Count (Assorted: 4 Fringed, 3 Non-Fringed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Bioactive terrarium leaf litter scatter, isopod master cultures, springtail breeding bins, blackwater nano aquascapes, and dwarf shrimp tanks\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTarget Species:\u003c\/b\u003e Isopods, springtails, \u003ci\u003eNeocaridina\u003c\/i\u003e \u0026amp; \u003ci\u003eCaridina\u003c\/i\u003e dwarf shrimp, poison dart frogs, nano fish, and micro geckos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eKeeper’s Tips\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIsopod Nursery Pockets:\u003c\/b\u003e Scatter caps concave-side down directly over the moist side of your vivarium substrate. The cup traps ambient moisture from mistings, creating a secluded, high-humidity refuge where juvenile isopod mancae can safely molt away from larger adults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAquarium Prep (Boil \u0026amp; Sink):\u003c\/b\u003e Because dried acorn caps contain air pockets in their dense woody grain, boil them for 10 to 15 minutes to break surface tension and expel trapped air. Transfer to a clean water bath overnight until fully waterlogged and sinking reliably before placing them into your aquarium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNatural Leaf Litter Layering:\u003c\/b\u003e For the most realistic forest-floor aesthetic, scatter these acorn caps alongside broader leaf litter (such as Magnolia or Guava leaves). Tucking the caps between leaf layers creates natural voids and travel corridors that encourage active foraging behavior in dart frogs and ground-dwelling geckos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNatural Character:\u003c\/b\u003e Because every cap is an untreated, wild-gathered botanical, expect organic variations in cup depth, fringe thickness, and rich earthy brown tones throughout the pack.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NaturePods Botanicals","offers":[{"title":"Default Title","offer_id":47105053720775,"sku":"sku-46982594232508","price":3.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/8590\/3815\/files\/20260516_154920_1.jpg?v=1788694885","url":"https:\/\/rachelsreptileresource.shop\/products\/large-assorted-acorn-caps-7-count","provider":"Rachel's Reptile Resource","version":"1.0","type":"link"}