{"id":28264,"date":"2025-01-24T11:49:31","date_gmt":"2025-01-24T00:49:31","guid":{"rendered":"https:\/\/www.greenaquarium.com.au\/?post_type=product&p=28264"},"modified":"2026-10-21T15:57:09","modified_gmt":"2026-10-21T04:57:09","slug":"mermaid-weed","status":"publish","type":"product","link":"https:\/\/www.greenaquarium.com.au\/product\/mermaid-weed\/","title":{"rendered":"Mermaid Weed (Proserpinaca palustris)"},"content":{"rendered":"
\n

Overview<\/h3>\n

Bring a touch of elegance to your aquarium with Mermaid Weed<\/strong>, a stunning and fast-growing plant that\u2019s a favourite among aquascapers. With its fine, feathery leaves and vibrant green colour, this plant creates a soft, flowing look in your aquascape. Mermaid Weed thrives in high-tech setups with appropriate lighting and CO\u2082 supplementation, adding depth and movement to your tank\u2019s aquascaping design.<\/p>\n

\n
Background<\/strong>placement<\/span><\/div>\n
Moderate to High<\/strong>light<\/span><\/div>\n
Regular injection<\/strong>CO\u2082<\/span><\/div>\n
Moderate<\/strong>difficulty<\/span><\/div>\n<\/div>\n

Mermaid Weed (Proserpinaca palustris<\/em>) can show green, pink or red leaves depending on the light. Bright light brings out the pink and red colour.<\/p>\n

Care at a glance<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Temperature<\/td>\n22 to 28\u00b0C<\/td>\n<\/tr>\n
Carbonate Hardness (KH)<\/td>\nUp to 10\u00b0dKH<\/td>\n<\/tr>\n
General Hardness (GH)<\/td>\nUp to 15\u00b0dGH<\/td>\n<\/tr>\n
CO\u2082<\/td>\nRegular injection (6\u201314 mg\/L) for vibrant growth (Learn more about CO\u2082 injection systems<\/a>).<\/td>\n<\/tr>\n
Substrate<\/td>\nNutrient-rich substrate or fine-gravel (What is aqua soil?).<\/td>\n<\/tr>\n
Water pH Value<\/td>\n6 to 7.5 (How to adjust aquarium pH).<\/td>\n<\/tr>\n
NH3\/NH4+<\/td>\nRecommended 0.5 ppm<\/td>\n<\/tr>\n
Nitrite (NO2-)<\/td>\nRecommended 0.01 mg\/L<\/td>\n<\/tr>\n
Nitrate (NO3-)<\/td>\nOptimal at 10 mg\/L (Aquarium water parameters guide).<\/td>\n<\/tr>\n
Fertilizer<\/td>\nApply 2\u20133 times per week (Shop aquarium fertilizers<\/a>).<\/td>\n<\/tr>\n
Care Input<\/td>\nMedium to High<\/td>\n<\/tr>\n
Maintenance Difficulty<\/td>\nModerate<\/td>\n<\/tr>\n
Light Provision<\/td>\nModerate to High (approx. 0.50 watt per liter)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Why choose Mermaid Weed<\/h3>\n

Mermaid Weed\u2019s delicate leaves and vibrant green tones make it a stunning choice for aquascapers looking to create lush, textured backgrounds. This plant\u2019s rapid growth and feathery appearance will soften your aquascape while providing depth and elegance to your aquarium. Ideal for tanks with adequate CO\u2082 and lighting, it\u2019s perfect for adding a touch of grace to your setup.<\/p>\n

For the best results, use in a well-maintained setup with consistent CO\u2082 injection and balanced fertilization. Check out our guide to high-tech aquarium setups.<\/p>\n

More like this<\/h3>\n

More plants in the same groups: Background<\/a>, Specialist Picks<\/a>.<\/p>\n

Other plants you might like: Hygrophila Pinnatifida<\/a>, Rotala Blood Red<\/a>, Rotala Wallichii<\/a>.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Mermaid Weed is a captivating aquatic plant with slender, bright green stems and delicate leaves, perfect for creating lush, textured backgrounds. Requires CO\u2082, moderate to strong lighting, and regular fertilization for optimal growth.<\/p>\n","protected":false},"featured_media":28265,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[130,160,127],"product_tag":[],"class_list":["post-28264","product","type-product","status-publish","has-post-thumbnail","product_cat-specialist-picks","product_cat-background","product_cat-plants","first","outofstock","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product\/28264","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/comments?post=28264"}],"version-history":[{"count":3,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product\/28264\/revisions"}],"predecessor-version":[{"id":30144,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product\/28264\/revisions\/30144"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/media\/28265"}],"wp:attachment":[{"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/media?parent=28264"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product_brand?post=28264"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product_cat?post=28264"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/wp-json\/wp\/v2\/product_tag?post=28264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}