![]() One manufacturer of a complete soil-based product now feels they can result in the leeching of excess nutrients into the water. Heater cables can be relatively expensive and in some situations are not recommended. ![]() I have run more than 30 planted tanks without heater cables, many long term, and many aquascapers and planted aquarium hobbyists no longer consider them effective. Planted tanks will do best with heater cables Softer water is recommended for certain fish, especially for breeding, but if growing plants with bread and butter fish there should be no need to soften water.Ģ. However, I have known aquascapers in London, having some of the UK’s hardest water, enjoy success with any plant they wish to grow. Some with extremely hard water have found it hard to grow certain species and require more CO2. Those with very soft water may need to supplement magnesium, calcium and potassium levels in addition to their regular fertilisers. Some, such as Vallisneria, thrive in hard water as they utilise the bi-carbonates. ![]() Every plant I’ve owned I’ve successfully grown in hard water, including some of the hobby’s most demanding species.
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