{"product_id":"aqua-algae-8oz-guillards-f2-concentrated-formula-phytoplankton-enrichment","title":"Aqua Algae 8oz Guillard's F2 Concentrated Formula – Phytoplankton Enrichment","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eAqua Algae 8oz Concentrated Guillard's F2 Formula is a nutrient-rich enrichment designed to support marine phytoplankton cultures. Built on the Guillard's F\/2 concept, this blend delivers essential macronutrients, trace minerals, and vitamins in a clean, silicate-free mix. It’s formulated to be reef-friendly when used as directed and aims to help you grow dense microalgae cultures for feeding copepods, rotifers, and corals.\u003c\/p\u003e\n\u003cp\u003eHigh in essential vitamins, this concentrated solution can help you maintain a steady, nutrient-dense culture. Because the formula is concentrated, a little goes a long way, which can translate to more efficient hobbyist use. An 8 oz bottle offers roughly 230–240 liters of culture at F2 strength, making it a practical choice for reef-keepers who want a reliable, ongoing food source for their system.\u003c\/p\u003e\n\n\u003ch2\u003eWhat makes it work\u003c\/h2\u003e\n\u003cp\u003eThe product is based on Guillard's F\/2 formulation, combining core macronutrients with trace minerals and vitamins (B1, B12, Biotin) to support microalgae growth. The silica-free composition helps minimize the risk of diatom blooms in display tanks, keeping reef inhabitants in mind as you manage enrichment for your cultures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSilicate-free and reef-safe when used as directed.\u003c\/li\u003e\n  \u003cli\u003eContains essential vitamins and minerals to support robust phytoplankton cultures.\u003c\/li\u003e\n  \u003cli\u003eUltra-concentrated—one bottle can continuously feed your cultures for weeks or months.\u003c\/li\u003e\n  \u003cli\u003eCost-effective alternative to buying frequent small bottles of live food.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use for best results\u003c\/h2\u003e\n\u003cp\u003eWorking with the F2 formula is straightforward. Mix fresh saltwater to the recommended density, then dose and light your starter culture to encourage growth.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDosing: add 1 mL per 1 L of fresh saltwater (or 2 mL per 2 L) at an SG around 1.019.\u003c\/li\u003e\n  \u003cli\u003eAdd your starter culture and provide light for about 16 hours per day.\u003c\/li\u003e\n  \u003cli\u003eShake the bottle well before each use to ensure uniform distribution of nutrients.\u003c\/li\u003e\n  \u003cli\u003eKeep the container in a cool, dark place when not in use.\u003c\/li\u003e\n  \u003cli\u003eOne 8 oz bottle supports roughly 230–240 liters of culture at F2 strength.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePractical benefits and usage ideas\u003c\/h2\u003e\n\u003cp\u003eFor hobbyists, the ability to culture your own live microalgae can mean a steadier supply for copepods, rotifers, and corals, with the potential to reduce recurring costs. The concentrated formula is designed to be easy to integrate into existing culture routines, providing a repeatable starting point for enrichment without a complicated protocol.\u003c\/p\u003e\n\u003cp\u003eWhile results can vary depending on tank conditions, the combination of nutrients, vitamins, and a silicate-free profile is intended to support ongoing, healthy-looking cultures when used as part of a broader husbandry plan. Always follow the dosing guidelines and store the product as recommended to maintain quality over time.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Guillard's F2 formula and how do I use Aqua Algae 8oz?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Guillard's F2 provides macronutrients, trace minerals, and vitamins for phytoplankton cultures. Use 1 mL per 1 L of fresh saltwater, then add your starter culture and provide light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Aqua Algae 8oz suitable for reef tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula is silicate-free and reef-safe when used as directed and stored in a cool, dark place.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aqua Algae","offers":[{"title":"Default Title","offer_id":57199507767673,"sku":"B08ZYGBGPQ","price":27.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/aqua-algae-8oz-f2-concentrated-bottle.jpg?v=1777776804","url":"https:\/\/petlyvox.com\/products\/aqua-algae-8oz-guillards-f2-concentrated-formula-phytoplankton-enrichment","provider":"petlyvox","version":"1.0","type":"link"}