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DelawareJim · 03-31-2009, 04:47 AM

Andrew;

The pontederiifolia will be happier if you give it some more fertilizer. You can use your fertilizer of choice at about 1/4 to 1/2 strength. I use a urea-free fertilizer like DynaGro, MSU blend, or Better-Gro Orchid Plus at 125ppm with good results.

Also, since you're growing in basically straight gravel (FloraBase) I would repot it in a mix of your FloraBase and some leaf mould, or a little garden soil. I use a mix of 1 part laterite, 2 parts Aquasoil, 2 parts Flourite with good results. I've also used half peat, half sand successfully and pure leaf mould collected from the woods. Thankfully, pontederiifolia is quite forgiving.

Cheers.
Jim

03-31-2009, 04:47 AM	#4 (permalink)
DelawareJim Senior Member Join Date: Nov 2005 Location: Southeast PA Posts: 465 iTrader Ratings: 3 iTrader Positive Rating: 100% Plant Points: 23100	Re: My emersed Crypt setup Andrew; The pontederiifolia will be happier if you give it some more fertilizer. You can use your fertilizer of choice at about 1/4 to 1/2 strength. I use a urea-free fertilizer like DynaGro, MSU blend, or Better-Gro Orchid Plus at 125ppm with good results. Also, since you're growing in basically straight gravel (FloraBase) I would repot it in a mix of your FloraBase and some leaf mould, or a little garden soil. I use a mix of 1 part laterite, 2 parts Aquasoil, 2 parts Flourite with good results. I've also used half peat, half sand successfully and pure leaf mould collected from the woods. Thankfully, pontederiifolia is quite forgiving. Cheers. Jim