Living SoilAquarium and fully submerged plants
Cryptocoryne purpurea: substrate and planted tank guide
Cryptocoryne purpurea is in Living Soil's Aquarium and fully submerged plants group. Plants growing entirely underwater in a tank: a thin layer of soil under a gravel cap, which is a different job from a pond basket. Its guide gathers what published references say about water pH, water hardness, temperature, light, planting bed, feeding, spotting problems and mixes, with 4 mixes that suit it.
What the cryptocoryne purpurea guide covers
Every item carries the reference behind it. Where references disagree, the guide shows both.
- Water pH1
- Water hardness1
- Temperature1
- Light1
- Planting bed1
- Feeding1
- Spotting problems5
- Mixes2
The count is how many sourced items each part of the guide holds.
Substrates that suit cryptocoryne purpurea
2 mixes are made just for cryptocoryne purpurea, inside its guide.
Each mix comes with the reference behind every figure, measured for your batch, pots or bed.
Good to know
- pH: the references give 6.6 to 6.6 for aquarium and fully submerged plants in general.
- The mistake to avoid: Pushing houseplant fertilizer sticks or water lily tablets into the soil under submerged plants. Bacteria turn their sulfate into hydrogen sulfide, which can kill plant roots.
- Also known as: crypt and cryptocoryne
Questions
What is the best substrate for cryptocoryne purpurea?
Living Soil lists 4 mixes that suit cryptocoryne purpurea, each from a published reference. They include Aquarium soil layer for hard water and Aquarium soil layer for soft water. 2 are made just for it. The app measures any of them for your batch, pots or bed.
What pH does cryptocoryne purpurea need?
The references give pH 6.6 to 6.6 for aquarium and fully submerged plants in general.
Is the cryptocoryne purpurea guide free?
Its overview is free: what the guide covers and which mixes suit it. Opening the full guide takes credits, and the app shows the price before you confirm. Credits never expire.
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