Tomatoville® Gardening Forums - View Single Post - Using Cal-Mag+ for BER

zipcode · September 14, 2020

Tomatoes use quite a bit of calcium, so in soilless mix and if your water is not hard, it might help. You can always try, just be careful of pH going too high (check runoff pH at the end of the season to see where you're at).

September 14, 2020	#5
zipcode Tomatovillian™ Join Date: Jun 2010 Location: Romania/Germany , z 4-6 Posts: 1,582	Tomatoes use quite a bit of calcium, so in soilless mix and if your water is not hard, it might help. You can always try, just be careful of pH going too high (check runoff pH at the end of the season to see where you're at).