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Formaline



I treated with formaline my planted tank and  several plants were dammaged
(the dose was 1 drop per 2 liters  formaldehide 40%). -

Dammaged:
Eichhornia azurea (yelow leaves on one hour)
Aponogeton ulvaceus ( " )
Ceratophyllum demersum (lost)
Barclaya longifolia (big holes)
Riccia (stoped bubblin for serveral days)

None of the following suffered:
Echinodorus rubin
Echinodorus amazonicus
Cryptocoryne albida
Cryptocoryne wendtii
Cryptocryne cordata
Cryptocoryne parva
Glossostigma elatinoides
Crinum natans
Lilaeopsis mauritana
Vesicularia dubyana
Aponogeton undulatus
Nuphar japónica
Rotala macrandra
Rotala wallichii