My well water is 300ppm... but its 85ppm calcium and 100 ppm magnesium Remainder is dissolved limestone. Is it better to soften to 100ppm but all sodium. ... or retail the calcium and magnesium at higher ppm? my cheap LED grow. 168 watts at the wall: https://forum.grasscity.com/index.php?/topic/1393482-My-"Everything-Wrong"-grow...-probably-no-harvest-:-/
Limestone is calcium carbonate, so I'm not really sure what you mean there. However, if it's drinkable and below 250ppm it will be perfectly fine, as yours is a bit higher than this I would recommend using some RO or distilled water in with your water at a ratio of 50:50 for seedlings, but older plants should be fine with your water as it is. Be sure to buy hard water nutrients though
Only nutes I have is flora move series. Im still waiting on my PH PEN. mixing the water is a great idea my cheap LED grow. 168 watts at the wall: https://forum.grasscity.com/index.php?/topic/1393482-My-"Everything-Wrong"-grow...-probably-no-harvest-:-/