Water tests and planted tanks

[Stephan1973]

I have several planted tanks and lately (last month to month and a half) when I take my water tests I get 0 ammonia 0 Nitrites and 0 Nitrates.  Is that good or should I be having some Nitrates in the water.  Been reading and some say yes some say no.  Oh the confusion. 
 

thanks in advance 

[Theplatymaster]

@Stephan1973 check your plants. I they are yellowing, or developing holes, or other signs of nutrient deficiencies you will want to does something like Easy Green, but if they are healthy, If it aint broke dont fix it.

[Stephan1973]

Yes some plants are showing holes but thought that was from my snails.  Will definitely add liquid fert. 
 

thanks so much 

[Theplatymaster]

@Stephan1973 what kind of snail? most wont eat plants, but Apple Snails will.

[Stephan1973]

I have Ramshorn snails and shrimp in my one tank and my Rotala indica bonsai is just stripped bare only stalks left.  Unfortunately I had a major outbreak in the snails and started to remove with a snail trap and the dreaded one by one. Since then they are looking better.  But the plants with the holes in the leaves are Rotala rotundifolia Green. I will start dosing, with my liquid fertilizer I have, now on a weekly basis.  

Edited February 5 by Stephan1973

[Flumpweesel]

My shrimp tank can barely support plants I sometimes top it up with water from the community tanks.